Duravent Chimney and Vent Pipe Dealer in Central New York

Name: Clinton Tractor & Implement Co.
Address: 31 Meadow St, Clinton, NY, 13323, US
Telephone: (315) 853-6151

Duravent has made chimney and venting pipe since 1956, from wood stove chimney and pellet vent to gas vent and masonry chimney liners. Clinton Tractor in Clinton, NY is a Duravent dealer for your stove, furnace or boiler.

Call (315) 853-6151 Compare models

31 Meadow St, Clinton, NY 13323
Mon–Fri 7–5, Sat 7–12
(315) 853-6151

All-fuel chimney

Factory-built chimney for wood stoves, fireplaces, furnaces and boilers that burn wood, oil, coal or gas. Pick by pipe diameter, wall construction and the clearance to combustibles the maker lists.

DuraTech 5″-8″2 in. clearance to combustibles · 5-8 in. diameters · 1000 °F continuous flue gas temperature
DuraTech LDC 10″-24″2 in. clearance to combustibles · 10-24 in. diameters · 1 in. ceramic insulation
DuraPlus2 in. clearance to combustibles · 6-8 in. diameters · 1000 °F continuous flue gas temperature
DuraPlus 2 (DP2)2 in. clearance to combustibles · 6 & 8 in. diameters · 1 in. mineral wool insulation
DuraChimney II (DCA)2 in. clearance to combustibles · 10-16 in. diameters · 1000 °F continuous flue gas temperature

Stovepipe and pellet vent

Interior stovepipe connects a wood stove to the chimney. PelletVent is the separate vent line for stoves and inserts that burn pellets, corn and other biofuels, or oil.

DuraBlack6-10 in. diameters · 24 gauge steel
DVL6 in. clearance to walls · 8 in. clearance to ceilings · 6-8 in. diameters
USP Ultimate StovePipe6 in. clearance to combustibles · 6-8 in. diameters · 3 screws per joint
PVP PelletVent Pro1 in. clearance to combustibles · 3-4 in. diameters · 570 °F continuous flue temperature
PVL PelletVent for multi-fuel1 in. clearance to combustibles · 3-4 in. diameters · 570 °F continuous flue temperature

Gas vent and condensing vent

Type B gas vent for standard gas appliances, plus FasNSeal special gas vent for high-efficiency and condensing boilers, furnaces and water heaters.

Model BV Type B gas vent3-30 in. round diameters · 1 in. clearance (USA) · 4-6 in. oval sizes
FasNSeal3-16 in. diameters · 480 °F maximum operating temperature · 15 in. water column maximum pressure
FasNSeal W23-16 in. diameters · 1738 UL listing
FasNSeal Flex3-12 in. diameters · 480 °F maximum operating temperature · 15 in. water column maximum pressure
FasNSeal 80/9080/90 combined Category I and IV vent · 1738 UL listing

Masonry chimney relining

Liners for old masonry chimneys. They protect the masonry from flue gas condensation and let a chimney serve a new gas, oil, pellet or wood appliance.

DuraFlex Aluminum3-8 in. diameters · 0 in. clearance to masonry · 2 ply of .005″ aluminum
DuraFlex Stainless Steel3-12 in. diameters (Pro and SW) · 0 in. clearance to masonry for gas, oil and pellet · 20 % more stainless per foot (Pro, the maker says)
DuraLiner0 in. clearance, liner to masonry · 5-8 in. diameters · 50 % or more labor time saved, the maker says
Ventinox316 Ti stainless (VFT, all-fuel) · 0 in. clearance to masonry for gas and oil · .006 in. liner wall (VFT and VG)

Direct vent and polypropylene vent

Coaxial and concentric systems bring in combustion air and send out exhaust through one opening. PolyPro is polypropylene pipe for condensing gas appliances.

DirectVent Pro4 x 6 5/8 in. size · 5 x 8 in. size
DirectVent Pro 8x118 x 11 coaxial size · 2112 UL listing
CVS Concentric Venting System3 x 5 in. inner x outer · 10 in. W.C. inner pipe pressure rating · 0 in. clearance, Category II to IV
PolyPro2-8 in. diameters · 230 °F maximum exhaust temperature · 15 in. W.C. maximum pressure (Canada listing)
PolyPro Flex2-5 in. diameters · 230 °F maximum exhaust temperature · 15 in. W.C. maximum pressure (Canada listing)

Duravent history: venting since 1956

Duravent was founded in 1956 and began as a maker of Type B vents for gas appliances. The maker counts PelletVent and DirectVent among its industry-first products.

Duravent is part of the Duravent Group, which the maker says unites 14 established brands in the venting and air control industries.

1956Duravent is founded and starts out making Type B vents for gas appliances.
1980sPellet stoves arrive. The maker says Duravent has been recognized as the industry leader in pellet stove venting since then.

Compare Duravent chimney and vent pipe

Search all 24 Duravent chimney and vent families by line, name or feature.

Showing all 24 models

Duravent chimney

DuraTech 5″-8″

All-fuel, double-wall chimney system with ceramic blanket insulation.

2in. clearance to combustibles

5-8in. diameters

1000°F continuous flue gas temperature

Thermal Tech blanket insulation between the walls
Twist-lock fittings and five foot pipe sections
Inner wall the maker says is 25% thicker than competitive chimneys
No locking bands or mechanical fasteners required
Select black finish pipe lengths

Full specifications

Use	Wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built
Construction	Double-wall, all-fuel chimney system
Inner wall	.020″ 430 stainless steel
Outer wall	.016″ 430 stainless steel or .021″ galvalume steel
Insulation	Thermal Tech (ceramic refractory) blanket
Clearance to combustibles	2″
Diameters	5″-8″
Listings	c-UL-us Listed to UL 103 HT and ULC S604 (MH7399)

Source: Duravent DuraTech 5"-8" page.

Duravent chimney

DuraTech LDC 10″-24″

All-fuel, double-wall large diameter chimney.

2in. clearance to combustibles

10-24in. diameters

1in. ceramic insulation

Solid-pack design with 1″ of ceramic insulation between the walls
10″ to 16″ sizes are UL 103 Type HT listed for factory-built and large masonry fireplaces
Stainless or Galvalume outer jacket (Galvalume is US only)
Fits select factory-built fireplaces listed to CAN/ULC-610 and UL 127

Full specifications

Use	Factory-built fireplaces, large masonry fireplaces, and other vented non-condensing appliances
Construction	Double-wall, all-fuel chimney system
Inner wall	430 stainless steel (.027″)
Outer wall	430 stainless steel (.027″) or Galvalume (.029″), US only
Insulation	1″ Thermal Tech insulation blanket
Clearance to combustibles	2″
Diameters	10″-24″
Listings	10″-16″: UL 103 Type HT (U.S.), CAN/ULC-604 (Canada). 18″-24″: UL 103 (U.S.), CAN/ULC-604 (Canada)

Source: Duravent DuraTech LDC page.

Duravent chimney

DuraPlus

All-fuel, triple-wall chimney system.

2in. clearance to combustibles

6-8in. diameters

1000°F continuous flue gas temperature

Two insulating layers: ceramic blanket plus air space
Blanket insulation held in place, avoiding the hot spots of loose-fill
Compressible blanket lets the liner expand in a creosote fire
Precision twist-lock connection
Tested to UL HT requirements, including three ten minute chimney fire tests at 2100°F

Full specifications

Use	Wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas
Construction	Triple-wall, all-fuel chimney
Outer wall	.016″ 430 stainless steel or .018″ galvanized steel
Intermediate liner	.018″ aluminized steel
Inner wall	.016″ 430 stainless steel
Insulation	Ceramic blanket plus ventilated air space
Clearance to combustibles	2″
Diameters	6″-8″
Listings	UL Listed to UL 103HT (MH7399)

Source: Duravent DuraPlus page.

Duravent chimney

DuraPlus 2 (DP2)

Double-wall, all-stainless-steel chimney.

2in. clearance to combustibles

6 & 8in. diameters

1in. mineral wool insulation

Mineral wool insulation between stainless steel walls
Free-floating inner lining expands and contracts with temperature
The external casing carries the structural load
Limited Lifetime Warranty

Full specifications

Use	Wood, gas, oil, or coal burning appliances
Construction	Double-wall, all-fuel chimney system
Inner wall	.016″ 430 stainless steel
Outer wall	.016″ 430 stainless steel
Insulation	1″ mineral wool
Clearance to combustibles	2″
Diameters	6″ & 8″
Warranty	Limited Lifetime Warranty
Listings	Listed to UL 103 Type HT

Source: Duravent DuraPlus 2 (DP2) page.

Duravent chimney

DuraChimney II (DCA)

Air-cooled chimney system for masonry fireplaces.

2in. clearance to combustibles

10-16in. diameters

1000°F continuous flue gas temperature

Unitized, lightweight pipe sections with no field assembly of inners and outers
Double-wall, air-cooled design expands both radially and lengthwise
Listed for 1000°F continuous, one hour at 1400°F and ten minutes at 1700°F under UL 103
Galvanized outer wall; ask Customer Service about stainless

Full specifications

Use	Masonry fireplaces which burn wood, oil, coal, or gas
Construction	Double-wall, air-cooled chimney system
Inner wall	.016″ 430 stainless steel
Outer wall	.021″ galvanized steel
Clearance to combustibles	2″
Diameters	10″, 12″, 14″, and 16″
Listings	UL Listed to UL 103 and ULC S604 standards (MH7399)

Source: Duravent DuraChimney II (DCA) page.

Duravent stovepipe or pellet vent

DuraBlack

Economical, drip free, single-wall stovepipe.

6-10in. diameters

24gauge steel

Die-formed end fittings
Adjustable lengths eliminate cutting and crimping
Lock-seamed and painted black
Stainless steel version in 6″-8″

Full specifications

Use	Single-wall interior stovepipe for connecting wood stoves to manufactured chimney
Construction	24-gauge steel, lock-seamed, painted black
Diameters	6″-10″
Stainless steel version	.020″ 430 stainless steel, 6″-8″

Source: Duravent DuraBlack page.

Duravent stovepipe or pellet vent

DVL

Double-wall, air-insulated stovepipe with close clearances.

6in. clearance to walls

8in. clearance to ceilings

6-8in. diameters

Cuts clearance to combustibles from 18″ to 6″, the maker says
Stainless steel inner wall heats up faster and stays hot longer
Adjustable lengths eliminate cutting or crimping
Required for manufactured home installations; see the appliance maker’s instructions

Full specifications

Use	Double-wall interior stovepipe for connecting wood stoves to manufactured chimney
Construction	.016″ stainless steel inner wall, .018″ galvanized outer wall painted black
Clearance to combustibles	6″ to walls, 8″ to ceilings, including cathedral ceilings
Diameters	6″-8″
Listings	c-UL-us listed to ULC S641 (MH14089)

Source: Duravent DVL page.

Duravent stovepipe or pellet vent

USP Ultimate StovePipe

All-fuel, double-wall chimney connector for the hearth professional.

6in. clearance to combustibles

6-8in. diameters

3screws per joint

Smooth welded inner and outer seams for a clean look
Drip-free design to prevent creosote leakage
Pre-drilled pilot holes: 3 screws per joint
Stove adapters include low profile, oval-to-round and Jotul-specific
Components individually packaged

Full specifications

Use	The connection between a wood stove and insulated chimney
Construction	Double-wall, 7/16″ air space; 0.016″ 430 stainless steel inner liner, 0.018″ satin coat steel outer casing
Clearance to combustibles	6″ (wall or ceiling)
Diameters	6″, 7″ and 8″
Pipe lengths	48″, 36″, 24″, 18″, 12″, 6″

Source: Duravent USP Ultimate StovePipe page.

Duravent stovepipe or pellet vent

PVP PelletVent Pro

Biofuel venting system for pellet stoves and inserts.

1in. clearance to combustibles

3-4in. diameters

570°F continuous flue temperature

Inner wall of corrosion resistant superferritic metal
Laser-welded inner and outer walls, seams factory-sealed on elbows, tees and fittings
Select components available in black
Metal-to-metal seal plus an encapsulated o-ring as a secondary seal
The maker says about 3 of every 4 US and Canadian pellet stoves are vented with a Duravent pellet system

Full specifications

Use	Stoves and inserts that use wood pellets, corn and other biofuels, or oil
Construction	Laser-welded double-wall: .012″ 444 stainless steel inner wall, .018″ galvalume outer wall
Clearance to combustibles	1″ in the USA and Canada
Diameters	3″ and 4″
Listings	c-UL-us Listed to UL 641 (MH8381 and MH14420). ULC Listed to ULC S609, ULC/ORD C441 (CMH1439 and CMH1440)

Source: Duravent PVP PelletVent Pro page.

Duravent stovepipe or pellet vent

PVL PelletVent for multi-fuel

Venting system for stoves that burn multi-fuels or oil.

1in. clearance to combustibles

3-4in. diameters

570°F continuous flue temperature

Multi-fuels include wood pellets, corn, cherry pits, switch grass, coffee husks and walnut shells
Inner wall of corrosion resistant super-ferritic metal
Seams factory-sealed on elbows, tees and fittings
Select components available in black
Sold in 3″ and 4″ sizes through hardware and home centers

Full specifications

Use	Stoves that burn multi-fuels or oil fuel
Construction	Double-wall: corrosion resistant stainless steel inner wall, galvalume outer wall
Clearance to combustibles	1″ in the USA and Canada
Diameters	3″ and 4″
Listings	c-UL-us Listed to UL 641 (MH8381 and MH14420). ULC Listed to ULC S609, ULC/ORD C441 (CMH1439 and CMH1440)

Source: Duravent PVL PelletVent page.

Duravent gas vent

Model BV Type B gas vent

Type B gas vent with the DuraLock locking system.

3-30in. round diameters

1in. clearance (USA)

4-6in. oval sizes

DuraLock locking system for quick, easy assembly
Round 3″-30″ and oval 4″-6″ (oval USA only)
Aluminum inner wall, galvanized outer wall
For residential and light commercial and industrial use

Full specifications

Use	Natural gas or liquid propane Category I and draft hood equipped appliances, and appliances listed to use Type B Gas Vent
Construction	Aluminum inner wall, galvanized outer wall; 1/4″ air space on 3″-8″ round, 1/2″ on 10″-30″
Clearance to combustibles	1″ USA, 3″ to 30″
Diameters	3″-30″ round; 4″, 5″ and 6″ oval (USA only)
Listings	UL Listed to UL 441 and CAN/ULC-S605 (MH2848 and MH17667)

Source: Duravent Model BV page.

Duravent gas vent

FasNSeal

Single-wall special gas vent for condensing and high-efficiency appliances.

3-16in. diameters

480°F maximum operating temperature

15in. water column maximum pressure

Built-in mechanical locking band and triple-lipped directional gaskets
Smooth welds placed 90° from the locking bands
Silicone free where flue gas and condensate touch
For high efficiency gas boilers, furnaces, pool heaters, water heaters and unit heaters

Full specifications

Use	Natural gas or propane Categories II, III and IV appliances, or Canada’s Type BH Gas Vent Systems
Construction	Single-wall 29-4C or 316L stainless steel
Diameters	3″-16″
Listings	UL Listed to UL 1738 and ULC S636

Source: Duravent FasNSeal page.

Duravent gas vent

FasNSeal W2

Double-wall special gas vent system.

3-16in. diameters

1738UL listing

Half-inch air space between inner and outer wall reduces clearance to combustibles
Welded seams for a leak-free product
In homes, runs between floor joists or in walls
For offices, medical facilities, condos and apartment buildings

Full specifications

Use	Commercial applications needing low clearances to combustibles; in residential, between floor joists or in walls
Construction	Double-wall: 29-4C or 316L stainless steel inner wall, 304 outer wall
Diameters	3″-16″
Listings	UL Listed to UL 1738 and UL 1777 and ULC S636

Source: Duravent FasNSeal W2 page.

Duravent gas vent

FasNSeal Flex

Flexible special gas vent and chimney liner.

3-12in. diameters

480°F maximum operating temperature

15in. water column maximum pressure

Corrosion resistant super-ferritic stainless steel
Sure-seal locking seam for strength and flexibility
Smooth inner wall for no output reduction and easy cleaning
Helps manage condensate

Full specifications

Use	Natural gas or propane Categories II, III and IV appliances, or Canada’s Type BH Gas Vent Systems
Construction	Single strip double layer super-ferritic stainless steel (totalling .010″)
Diameters	3″-12″
Listings	UL Listed to UL 1738 and UL 1777 and ULC S636

Source: Duravent FasNSeal Flex page.

Duravent gas vent

FasNSeal 80/90

Vents a 90+ condensing appliance and Type B atmospheric units in one vent.

80/90combined Category I and IV vent

1738UL listing

Exhausts a condensing appliance and Type B atmospheric units in the same vent
Uses the existing common vent
Does not disturb finished space during installation
An option when side wall venting is not practical

Full specifications

Use	Replacing one Category I gas fired appliance with a high efficiency appliance in an existing Type B common vent system
Listings	Combination Cat I and Cat IV gas vent system, UL listed for use with approved Duravent / Security Chimneys special gas vent components only

Source: Duravent FasNSeal 80/90 page.

Duravent chimney liner

DuraFlex Aluminum

Economical flexible aluminum relining for masonry chimney, for gas appliances.

3-8in. diameters

0in. clearance to masonry

2ply of .005″ aluminum

Protects the masonry chimney from flue product condensation
For natural gas or propane Category I appliances and Type B gas vent appliances
Single-wall .010″ aluminum (2-ply of .005″)

Full specifications

Use	Relining a masonry chimney for natural gas or liquid propane Category I, draft hood equipped appliances, and appliances listed to use Type B Gas Vent
Construction	Single-wall .010″ aluminum (2-ply of .005″)
Clearance to masonry	0″
Diameters	3″, 4″, 5″, 6″, 7″, and 8″
Listings	Listed to UL 1777 and ULC S635

Source: Duravent DuraFlex Aluminum page.

Duravent chimney liner

DuraFlex Stainless Steel

Flexible stainless steel relining, in Pro, SW, 316 and 304 versions.

3-12in. diameters (Pro and SW)

0in. clearance to masonry for gas, oil and pellet

20% more stainless per foot (Pro, the maker says)

Pro: 316 stainless, the maker says 20% more stainless steel per foot than other liners
SW: smooth inner wall for full appliance efficiency and easier cleaning
316 and 304: lighter, more economical liners when offsets are minimal
Use 316 where more corrosion resistance is wanted, such as coal

Full specifications

Use	Relining a masonry chimney for gas, wood pellet, oil, or wood appliances: fireplace inserts, furnaces, boilers, and water heaters
Construction	Pro: single-wall .005″ 316 stainless steel. SW: .005″ overlapped 316 (totalling .010″). 316 & 304: single-wall .005″
Clearance to masonry	0″ for gas, oil, and pellet; 1″ for wood-burning (insulation required for 0″)
Diameters	Pro & SW: 3″-12″. 316 & 304: 3″-8″
Listings	Pro: UL 1777 and ULC S635 (MH45609). SW: UL 1777 (MH45609). 316 & 304: UL 1777 and ULC S635 (MH45609)

Source: Duravent DuraFlex Stainless Steel page.

Duravent chimney liner

DuraLiner

Insulated, double-wall masonry relining.

0in. clearance, liner to masonry

5-8in. diameters

50% or more labor time saved, the maker says

Factory insulated, so no wrapping insulation around the liner for UL 1777
Zero clearance for high heat wood-burning appliances
Smooth inner wall means less creosote buildup
Built-in fittings and pre-drilled holes; stainless steel rivets included

Full specifications

Use	Relining a masonry chimney for appliances fueled by gas, pellet, oil, wood, or coal
Construction	.016″ 304 stainless steel inner liner, galvalume outer, factory insulated in between
Clearance to masonry	0″ between the liner and masonry; 0″ between the masonry and combustibles (rigid double wall)
Diameters	5″, 6″ and 8″
Listings	UL Listed to UL 1777 (MH14420), ULC Listed to ULC S635

Source: Duravent DuraLiner page.

Duravent chimney liner

Ventinox

Welded, flexible stainless steel relining for masonry chimney.

316Ti stainless (VFT, all-fuel)

0in. clearance to masonry for gas and oil

.006in. liner wall (VFT and VG)

VFT: 316Ti stainless steel for solid fuel, gas or oil appliances
VG: super-ferritic AL29-4C for gas appliances where corrosive condensate is likely
Integral locking band, no pop rivets
VFT needs TherMix or ProFoil insulation on solid fuel to meet UL 1777

Full specifications

Use	Upgrading or restoring masonry chimneys that vent natural gas, propane or oil appliances, wood or pellet stoves, fireplaces and inserts
Construction	VFT: single-wall .006″ 316 stainless steel. VG: single-wall .006″ AL29-4C stainless steel. Continuous weld
Clearance to masonry	VFT: 0″ for oil and gas. VG: 0″ for gas appliances
Diameters	3″, 12″
Listings	UL Listed to UL 1777 and ULC S635 (MH11476)

Source: Duravent Ventinox page.

Duravent direct vent

DirectVent Pro

Coaxial venting for direct vent gas or propane stoves and fireplaces.

4 x 6 5/8in. size

5 x 8in. size

No gaskets or sealants required unless the appliance maker specifies
Laser-welded outer wall seams on black pipe, extensions and elbows
Low-profile locks with no hems or beads
Caps also available in stainless steel and copper
The maker says it offers the largest choice of direct vent termination caps

Full specifications

Use	Direct vent gas or propane stoves, heaters, and fireplaces
Construction	Unitized coaxial: .020″ aluminum inner wall, .018″ galvanized steel outer wall; painted outer walls .018″ galvalume steel
Clearance to combustibles	Specified by the appliance manufacturer
Diameters	4″ x 6 5/8″ and 5″ x 8″
Listings	Listed in combination with the gas appliance as a decorative gas appliance system or a direct vent heater system; check with your appliance manufacturer

Source: Duravent DirectVent Pro page.

Duravent direct vent

DirectVent Pro 8x11

Coaxial venting for direct vent gas fireplaces in custom homes and commercial spaces.

8 x 11coaxial size

2112UL listing

Twist-lock connections for easy installation
Laser-welded seams and a hem-free design
Swivel collar elbows for flexible configuration
Pipe lengths of 12, 18, 24, 36 and 48 inches
Stainless steel vertical and horizontal terminations

Full specifications

Use	Gas-fired direct vent fireplaces for luxury custom homes and commercial spaces
Construction	0.016″ 430 stainless steel inner pipe, 0.018″ Galvalume outer wall; stainless steel terminations
Diameters	8 x 11
Pipe lengths	12″, 18″, 24″, 36″, and 48″
Listings	UL tested and listed to UL 2112 for use with ANSI Z21/CSA direct vent gas appliances

Source: Duravent DirectVent Pro 8x11 page.

Duravent direct vent

CVS Concentric Venting System

Small-diameter concentric vent for condensing and non-condensing appliances.

3 x 5in. inner x outer

10in. W.C. inner pipe pressure rating

0in. clearance, Category II to IV

One roof or wall penetration for both exhaust and combustion air
Twist-lock connection: no clamps or mechanical fasteners
O-rings on the inner wall and outer casing
Built-in condensate management
Telescoping pipe extensions eliminate field cutting

Full specifications

Use	Condensing natural gas or propane Categories II, III and IV appliances, and stoves and inserts using Type L gas, pellet, oil, corn and biofuel
Construction	Unitized concentric: laser-welded 444 super-ferritic stainless steel inner (.012″), zincalume outer (.018″)
Clearance to combustibles	0″ as a double-wall vent for Category II, III, and IV; 1″ with pellet fuel
Diameters	3″ inner and 5″ outer
Listings	UL 1738 (MH25700) for Category II, III and IV; direct vent UL 1738 and ULC S636; UL 641 and ULC S609 for pellet

Source: Duravent CVS page.

Duravent direct vent

PolyPro

Polypropylene vent pipe for high-efficiency water heaters, condensing boilers and furnaces.

2-8in. diameters

230°F maximum exhaust temperature

15in. W.C. maximum pressure (Canada listing)

100% recyclable, with no toxic or carcinogenic materials, chlorides, or heavy metals
The maker says it has been used safely throughout Europe for over 20 years
Higher temperature limit than PVC or CPVC, the maker says
Corrosion-free, with a condensation management system

Full specifications

Use	ANSI Category II and IV gas-burning appliances, including high-efficiency water heaters, condensing boilers and warm air furnaces
Construction	Rigid pipe, 2.2mm (minimum) thick polypropylene; EPDM or Viton gaskets
Clearance to combustibles	0″ general, for exhaust temperatures up to 194°F / 90°C
Diameters	2″ (60mm), 3″ (80mm), 4″ (100mm), 5″ (130mm), 6″ (150mm), and 8″ (200mm)
Listings	Listed with the appliance in the USA, check with appliance manufacturer. Intertek / ETL listed to ULC-S636 in Canada

Source: Duravent PolyPro page.

Duravent direct vent

PolyPro Flex

Double-wall flex lining that runs through an existing B vent.

2-5in. diameters

230°F maximum exhaust temperature

15in. W.C. maximum pressure (Canada listing)

Uses the existing B vent (any brand) as a chase for a new condensing 90+ appliance
Pull cone and Skyline vertical termination cap
B Vent/PolyPro support cap joins flex to rigid PolyPro
Not available in Canada

Full specifications

Use	ANSI Category II and IV gas-burning appliances, including high-efficiency water heaters, condensing boilers and warm air furnaces
Construction	Double-wall polypropylene flex; rigid pipe 2.2mm (minimum) thick polypropylene; EPDM or Viton gaskets
Clearance to combustibles	0″ general, for exhaust temperatures up to 194°F / 90°C
Diameters	2″ (60mm), 3″ (80mm), 4″ (100mm), 5″ (130mm)
Listings	Listed with the appliance in the USA, check with appliance manufacturer. Listed as a Class IIA, IIB, and IIC vent system

Source: Duravent PolyPro Flex page.

All-fuel chimney at a glance

Model	DuraTech 5″-8″	DuraTech LDC 10″-24″	DuraPlus	DuraPlus 2 (DP2)	DuraChimney II (DCA)
Construction	Double-wall, all-fuel chimney system	Double-wall, all-fuel chimney system	Triple-wall, all-fuel chimney	Double-wall, all-fuel chimney system	Double-wall, air-cooled chimney system
Diameters	5″-8″	10″-24″	6″-8″	6″ & 8″	10″, 12″, 14″, and 16″
Clearance to combustibles	2″	2″	2″	2″	2″
Listings	c-UL-us Listed to UL 103 HT and ULC S604 (MH7399)	10″-16″: UL 103 Type HT (U.S.), CAN/ULC-604 (Canada). 18″-24″: UL 103 (U.S.), CAN/ULC-604 (Canada)	UL Listed to UL 103HT (MH7399)	Listed to UL 103 Type HT	UL Listed to UL 103 and ULC S604 standards (MH7399)

Stovepipe and pellet vent at a glance

Model	DuraBlack	DVL	USP Ultimate StovePipe	PVP PelletVent Pro	PVL PelletVent for multi-fuel
Use	Single-wall interior stovepipe for connecting wood stoves to manufactured chimney	Double-wall interior stovepipe for connecting wood stoves to manufactured chimney	The connection between a wood stove and insulated chimney	Stoves and inserts that use wood pellets, corn and other biofuels, or oil	Stoves that burn multi-fuels or oil fuel
Construction	24-gauge steel, lock-seamed, painted black	.016″ stainless steel inner wall, .018″ galvanized outer wall painted black	Double-wall, 7/16″ air space; 0.016″ 430 stainless steel inner liner, 0.018″ satin coat steel outer casing	Laser-welded double-wall: .012″ 444 stainless steel inner wall, .018″ galvalume outer wall	Double-wall: corrosion resistant stainless steel inner wall, galvalume outer wall
Diameters	6″-10″	6″-8″	6″, 7″ and 8″	3″ and 4″	3″ and 4″

Gas vent and condensing vent at a glance

Model	Model BV Type B gas vent	FasNSeal	FasNSeal W2	FasNSeal Flex	FasNSeal 80/90
Use	Natural gas or liquid propane Category I and draft hood equipped appliances, and appliances listed to use Type B Gas Vent	Natural gas or propane Categories II, III and IV appliances, or Canada’s Type BH Gas Vent Systems	Commercial applications needing low clearances to combustibles; in residential, between floor joists or in walls	Natural gas or propane Categories II, III and IV appliances, or Canada’s Type BH Gas Vent Systems	Replacing one Category I gas fired appliance with a high efficiency appliance in an existing Type B common vent system
Diameters	3″-30″ round; 4″, 5″ and 6″ oval (USA only)	3″-16″	3″-16″	3″-12″	–
Listings	UL Listed to UL 441 and CAN/ULC-S605 (MH2848 and MH17667)	UL Listed to UL 1738 and ULC S636	UL Listed to UL 1738 and UL 1777 and ULC S636	UL Listed to UL 1738 and UL 1777 and ULC S636	Combination Cat I and Cat IV gas vent system, UL listed for use with approved Duravent / Security Chimneys special gas vent components only

Masonry chimney relining at a glance

Model	DuraFlex Aluminum	DuraFlex Stainless Steel	DuraLiner	Ventinox
Use	Relining a masonry chimney for natural gas or liquid propane Category I, draft hood equipped appliances, and appliances listed to use Type B Gas Vent	Relining a masonry chimney for gas, wood pellet, oil, or wood appliances: fireplace inserts, furnaces, boilers, and water heaters	Relining a masonry chimney for appliances fueled by gas, pellet, oil, wood, or coal	Upgrading or restoring masonry chimneys that vent natural gas, propane or oil appliances, wood or pellet stoves, fireplaces and inserts
Construction	Single-wall .010″ aluminum (2-ply of .005″)	Pro: single-wall .005″ 316 stainless steel. SW: .005″ overlapped 316 (totalling .010″). 316 & 304: single-wall .005″	.016″ 304 stainless steel inner liner, galvalume outer, factory insulated in between	VFT: single-wall .006″ 316 stainless steel. VG: single-wall .006″ AL29-4C stainless steel. Continuous weld
Diameters	3″, 4″, 5″, 6″, 7″, and 8″	Pro & SW: 3″-12″. 316 & 304: 3″-8″	5″, 6″ and 8″	3″, 12″
Listings	Listed to UL 1777 and ULC S635	Pro: UL 1777 and ULC S635 (MH45609). SW: UL 1777 (MH45609). 316 & 304: UL 1777 and ULC S635 (MH45609)	UL Listed to UL 1777 (MH14420), ULC Listed to ULC S635	UL Listed to UL 1777 and ULC S635 (MH11476)

Direct vent and polypropylene vent at a glance

Model	DirectVent Pro	DirectVent Pro 8x11	CVS Concentric Venting System	PolyPro	PolyPro Flex
Use	Direct vent gas or propane stoves, heaters, and fireplaces	Gas-fired direct vent fireplaces for luxury custom homes and commercial spaces	Condensing natural gas or propane Categories II, III and IV appliances, and stoves and inserts using Type L gas, pellet, oil, corn and biofuel	ANSI Category II and IV gas-burning appliances, including high-efficiency water heaters, condensing boilers and warm air furnaces	ANSI Category II and IV gas-burning appliances, including high-efficiency water heaters, condensing boilers and warm air furnaces
Diameters	4″ x 6 5/8″ and 5″ x 8″	8 x 11	3″ inner and 5″ outer	2″ (60mm), 3″ (80mm), 4″ (100mm), 5″ (130mm), 6″ (150mm), and 8″ (200mm)	2″ (60mm), 3″ (80mm), 4″ (100mm), 5″ (130mm)
Listings	Listed in combination with the gas appliance as a decorative gas appliance system or a direct vent heater system; check with your appliance manufacturer	UL tested and listed to UL 2112 for use with ANSI Z21/CSA direct vent gas appliances	UL 1738 (MH25700) for Category II, III and IV; direct vent UL 1738 and ULC S636; UL 641 and ULC S609 for pellet	Listed with the appliance in the USA, check with appliance manufacturer. Intertek / ETL listed to ULC-S636 in Canada	Listed with the appliance in the USA, check with appliance manufacturer. Listed as a Class IIA, IIB, and IIC vent system

Duravent pipe, fittings and parts

A Duravent system is a run of pipe plus fittings: elbows, tees, supports, flashing and caps. Duravent posts installation instructions for each product and typical installation drawings for many of them. The maker says the pipe diameter should match the appliance outlet. Bring the appliance make and model to the Clinton Tractor parts counter and ask for the Duravent parts it needs.

Vertical caps
Horizontal caps
Storm collars
Flashing
Cathedral ceiling support boxes
45° and 90° elbows
Appliance adapters
Tees with clean-out cap
Wall thimbles
Wall straps
Attic insulation shields
Flex lengths

Ask the parts counter

Service department

Clinton Tractor's shop works out of 31 Meadow St. Call the service desk with the make and model, the work it needs and whether we have seen it before, and they will tell you what the shop can take on.

Call the service desk

Duravent warranty documents

Duravent lists a Residential Limited Lifetime Warranty on its warranties page.

Warranty documents

The Duravent Group warranties page lists a Residential: Duravent Limited Lifetime Warranty and a Duravent Group Global Warranty, plus a warranty claim form.

DuraPlus 2 lists a Limited Lifetime Warranty on its product page. Read the warranty document for the product you buy for the terms.

Find us in Clinton

The yard, the parts counter and the shop share one address, about a quarter of an hour from Utica.

Clinton Tractor & Implement Co.
31 Meadow St, Clinton, NY 13323
Monday–Friday 7:00 am – 5:00 pm, Saturday 7:00 am – 12:00 pm, closed Sunday

Get directions (315) 853-6151

Driving distance

New Hartford 6 mi
Utica 9 mi
Rome 14 mi
Oneida 17 mi
Hamilton 20 mi
Herkimer 26 mi
Cazenovia 31 mi
Norwich 42 mi
Cooperstown 47 mi
Syracuse 49 mi
Oneonta 60 mi
Cortland 61 mi

Before you visit

Can I see Duravent chimney and vent pipe in person?

Call (315) 853-6151 before you drive over and ask which Duravent chimney and vent pipe we can show you. The yard is at 31 Meadow St, Clinton, open Monday–Friday 7:00 am – 5:00 pm and Saturday 7:00 am – 12:00 pm.

Can you order a model that is not on the lot?

Ask the sales desk at (315) 853-6151. Tell us the model and how you will use it, and we will check what we can get.

Do you take trade-ins?

Ask the sales desk at (315) 853-6151 and describe the machine you want to trade.

Is financing available?

Ask the sales desk at (315) 853-6151 about payment options for the model you are looking at.

How do I ask about a repair?

Call the service desk at (315) 853-6151 with the make and model, the work it needs and whether we have seen it before. They will tell you what the shop can take on.