Z-Flex
Z-Flex Z-Vent Stainless Steel Venting is the perfect choice for tankless water heaters and boilers. Z-Flex Z-Vent is rated AL29-4C and is approved for Category I (vertical only), II, III & IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.
Z-Flex Z-Dens Polypropylene vent pipe is ULC S636 certified for use with high efficiency condensing oil and gas fired heating appliances having flue gas temperatures up to 230°F (110°C). Specially developed, fire retardant Polypropylene. Cat II, IV Special Gas Vent. Gas Vent BH, Class IIc. Suitable for use with negative and positive pressure appliances.
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Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - White (2ZDP336)
Single Walled. Can be cut to length
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Regular Price:
$53.79
Special Price:
$43.03
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Z-Flex Z-Dens 2" Concentric Reducer - 3" to 2" - White (2ZDR32)
Single Walled. Can be cut to length
Learn More
Regular Price:
$53.89
Special Price:
$43.11
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Z-Flex Z-Vent 7" Guy Band (2SVDGB07)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$54.08
Special Price:
$43.27
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Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$54.08
Special Price:
$43.27
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Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$54.08
Special Price:
$43.27
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Z-Flex 5" x 5' Length of Aluminum 2-Ply Liner (2GAXXXX0505)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$54.25
Special Price:
$43.40
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Z-Flex Z-Vent 18" Guy Band (2SVDGB18)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$54.66
Special Price:
$43.73
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Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG6V)
Requires gasket lubricant
Learn More
Regular Price:
$54.97
Special Price:
$43.98
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Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)
Single Walled. Can be cut to length
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Regular Price:
$55.10
Special Price:
$44.08
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Z-Flex Z-Vent 4" Bosch 125FX / 425EF Adaptor Stainless Steel Venting (2SVFX04)
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Regular Price:
$55.11
Special Price:
$44.09
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Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04)
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Regular Price:
$55.11
Special Price:
$44.09
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Z-Flex Z-Dens 5" Fixing Bracket/Support Clamp (2ZDFB5)
Single Walled. For securing purposes
Learn More
Regular Price:
$55.65
Special Price:
$44.52
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Z-Flex 3" Stainless Steel Top Support (2ZTSXXX03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$55.81
Special Price:
$44.65
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Z-Flex Z-Dens 3" Concentric Termination Air Cap (2ZDCTAC5)
For termination usage
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Regular Price:
$56.10
Special Price:
$44.88
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Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$56.12
Special Price:
$44.90
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Z-Flex 3" to 4" Stainless Steel Increaser (2IN3I4X)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$56.50
Special Price:
$45.20
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Z-Flex 4" to 3" Stainless Steel Reducer (2RD4R3X)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$56.50
Special Price:
$45.20
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Z-Flex 8" Fixed Stainless Steel 45 Degree Elbow (2RE45XX08)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$56.70
Special Price:
$45.36
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Z-Flex Z-Dens 2" Flexible to Rigid Male Adaptor (2ZDFRA2)
Single Walled. For conversion purposes
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Regular Price:
$56.73
Special Price:
$45.38
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Z-Flex Z-Dens 3"/5" 45 Degree Concentric Elbow - White (2ZDCE3545)
Concentric. Can be cut to length
Learn More
Regular Price:
$56.73
Special Price:
$45.38
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Z-Flex Z-Dens 4"/6" 45 Degree Concentric Elbow - White (2ZDCE4645)
Concentric. Can be cut to length
Learn More
Regular Price:
$56.73
Special Price:
$45.38
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Z-Flex 2" Fresh Air Kit for Pellet Stoves (2FAKIT0205)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
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Regular Price:
$56.80
Special Price:
$45.44
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Z-Flex Z-Dens 3" Flexible to Rigid Male Adaptor (2ZDFRA3)
Single Walled. For conversion purposes
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Regular Price:
$57.04
Special Price:
$45.63
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Z-Flex 5" Fixed Stainless Steel 90 Degree Elbow (2RE90XX05)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$57.11
Special Price:
$45.69
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Z-Flex Z-Vent 4" Buderus GA Boiler Adaptor (2SVB04)
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Regular Price:
$57.12
Special Price:
$45.70
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Z-Flex Z-Vent 4" Noritz Adaptor (2SVWA04)
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Regular Price:
$57.27
Special Price:
$45.82
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Z-Flex Z-Vent 4" Universal Adaptor: Takagi, Paloma, Rheem, Noritz (2SVSNA04.5)
Learn More
Regular Price:
$57.30
Special Price:
$45.84
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Z-Flex Z-Vent 10" Clamp Band (2SVSCB10)
Single Wall Stainless Steel, Category III Venting
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Regular Price:
$57.32
Special Price:
$45.86
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Z-Flex Z-Dens 4" Concentric Termination Air Cap (2ZDCTAC6)
For termination usage
Learn More
Regular Price:
$57.36
Special Price:
$45.89
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Z-Flex 5" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0515)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$57.45
Special Price:
$45.97
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Z-Flex 2" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0215)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$57.45
Special Price:
$45.97
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Z-Flex Z-Dens 2.4" to 8.3" Adjustable Pipe - White (2ZDAP3)
Single Walled. Can be cut and adjusted to length
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Regular Price:
$57.86
Special Price:
$46.29
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Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Brown (2ZDG4V)
Requires gasket lubricant
Learn More
Regular Price:
$57.91
Special Price:
$46.33
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Z-Flex 5" Stainless Steel Top Support (2ZTSXXX05)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$57.97
Special Price:
$46.38
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Z-Flex Z-Dens 4" Test Port - White (2ZDTP4)
Single Walled. For gas analysis.
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Regular Price:
$58.45
Special Price:
$46.77
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Z-Flex 5.5" x 5' Length of Aluminum 2-Ply Liner (2GAXXXX05.505)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$58.66
Special Price:
$46.93
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Z-Flex Z-Vent 20" Guy Band (2SVSGB20)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$58.72
Special Price:
$46.98
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Z-Flex Z-Dens 5" 87 Degree Elbow - White (2ZDE587)
Single Walled. Can be cut to length
Learn More
Regular Price:
$58.80
Special Price:
$47.05
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Z-Flex 3" B-Vent Connector (2CNNBFC03)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$58.91
Special Price:
$47.14
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Z-Flex 5.5" Stainless Steel Top Support (2ZTSXXX05-5)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$59.01
Special Price:
$47.21
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Z-Flex 6" Stainless Steel Top Support (2ZTSXXX06)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$59.13
Special Price:
$47.31
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Z-Flex Z-Vent 7" Tee Cap (2SVSTC07)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$59.58
Special Price:
$47.67
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Z-Flex 4" B-Vent Connector (2CNNBFC04)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$59.71
Special Price:
$47.77
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Z-Flex Z-Vent 10" Guy Band (2SVDGB10)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$59.82
Special Price:
$47.86
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Z-Flex Z-Dens 5" 45 Degree Elbow - White (2ZDE545)
Single Walled. Can be cut to length
Learn More
Regular Price:
$59.85
Special Price:
$47.87
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Z-Flex 5" Stainless Steel Drip-less Connector (2CNNTRC05)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$60.05
Special Price:
$48.05
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Z-Flex Z-Dens 6" Fixing Bracket/Support Clamp (2ZDFB6)
Single Walled. For securing purposes
Learn More
Regular Price:
$60.12
Special Price:
$48.10
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Z-Flex Z-Dens 2"/4" Concentric Pipe - White (2ZDCP2412)
Concentric. Can be cut to length
Learn More
Regular Price:
$60.12
Special Price:
$48.10
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Z-Flex 5.5" Stainless Steel Drip-less Connector (2CNNTRC05.5)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$60.34
Special Price:
$48.28
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Z-Flex 6" Stainless Steel Drip-less Connector (2CNNTRC06)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$60.43
Special Price:
$48.35
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Z-Flex Z-Vent 5" Storm Collar (2SVSLS05)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$60.69
Special Price:
$48.54
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Z-Flex 5" B-Vent Connector (2CNNBFC05)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$60.72
Special Price:
$48.58
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Z-Flex Z-Vent 20" Guy Band (2SVDGB20)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$60.75
Special Price:
$48.60
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Z-Flex Z-Dens 3" Eccentric Increaser - 3" to 4" - White (2ZDI34)
Single Walled. Can be cut to length
Learn More
Regular Price:
$61.19
Special Price:
$48.96
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Z-Flex 3" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0325)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$61.24
Special Price:
$48.99
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Z-Flex Z-Dens 3"/5" Concentric Pipe - White (2ZDCP3524)
Concentric. Can be cut to length
Learn More
Regular Price:
$61.57
Special Price:
$49.25
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Z-Flex Z-Dens 4"/6" Concentric Pipe - White (2ZDCP4624)
Concentric. Can be cut to length
Learn More
Regular Price:
$61.57
Special Price:
$49.25
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Z-Flex Z-Vent 3" Firestop Spacer (2SVSFSF03)
Single Wall Stainless Steel, Category III Venting
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Regular Price:
$61.69
Special Price:
$49.35
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Z-Flex 6" B-Vent Connector (2CNNBFC06)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$61.92
Special Price:
$49.54
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Z-Flex 4" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0420)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.04
Special Price:
$49.63
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Z-Flex 9" Fixed Stainless Steel 45 Degree Elbow (2RE45XX09)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.19
Special Price:
$49.75
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Z-Flex Z-Vent 4" Tee Cap with Drain (2SVSTCD04)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$62.28
Special Price:
$49.83
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Z-Flex 7" B-Vent Connector (2CNNBFC07)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.39
Special Price:
$49.91
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Z-Flex 7" Stainless Steel Drip-less Connector (2CNNTRC07)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.45
Special Price:
$49.96
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Z-Flex 4" to 5" Stainless Steel Increaser (2IN4I5X)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.80
Special Price:
$50.24
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Z-Flex 5" to 4" Stainless Steel Reducer (2IN3I4X)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$62.80
Special Price:
$50.24
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Z-Flex Z-Dens 3" Condensate Drain - White (2ZDCD3)
Single Walled. Can be cut to length. For condensation collection prevention
Learn More
Regular Price:
$62.87
Special Price:
$50.30
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Z-Flex Z-Vent 3" x 18" Stainless Steel Vent Pipe (2SVEPWCF0301.5)
Can be cut to length
Learn More
Regular Price:
$63.09
Special Price:
$50.47
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Z-Flex 6" Fixed Stainless Steel 90 Degree Elbow (2RE90XX06)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$63.12
Special Price:
$50.50
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Z-Flex Z-Vent 5" x 12" Stainless Steel Vent Pipe (2SVEPWC0501)
Single Walled. Can be cut to length
Learn More
Regular Price:
$63.16
Special Price:
$50.53
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Z-Flex Z-Vent 8" Tee Cap (2SVSTC08)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$63.42
Special Price:
$50.74
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Z-Flex Z-Vent 22" Guy Band (2SVSGB22)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$64.02
Special Price:
$51.22
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Z-Flex 8" B-Vent Connector (2CNNBFC08)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$64.18
Special Price:
$51.35
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Z-Flex Z-Dens 3"/5" 87 Degree Concentric Elbow - White (2ZDCE3587)
Concentric. Can be cut to length
Learn More
Regular Price:
$64.37
Special Price:
$51.50
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Z-Flex Z-Dens 4"/6" 87 Degree Concentric Elbow - White (2ZDCE4687)
Concentric. Can be cut to length
Learn More
Regular Price:
$64.37
Special Price:
$51.50
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Z-Flex 8" Stainless Steel Drip-less Connector (2CNNTRC08)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$64.46
Special Price:
$51.57
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Z-Flex Z-Dens 4" x 36" Polypropylene Vent Pipe - Grey (2ZDP436)
Single Walled. Can be cut to length
Learn More
Regular Price:
$64.56
Special Price:
$51.65
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Z-Flex 10" Fixed Stainless Steel 45 Degree Elbow (2RE45XX10)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.03
Special Price:
$52.03
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Z-Flex 3" Double Wall Oil Vent Universal Connector (2OVIUCX03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.30
Special Price:
$52.24
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Z-Flex 3" Double Wall Oil Vent Appliance Connector (2OVIACX03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.30
Special Price:
$52.24
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Z-Flex 3" Single Wall Oil Vent Universal Connector (2OVSWUC03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.30
Special Price:
$52.24
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Z-Flex 3" Single Wall Oil Vent Appliance Connector (2OVSWAC03)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.30
Special Price:
$52.24
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Z-Flex Z-Dens 2"/4" Concentric Pipe - White (2ZDCP2436)
Concentric. Can be cut to length
Learn More
Regular Price:
$65.41
Special Price:
$52.33
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Z-Flex 9" Stainless Steel Drip-less Connector (2CNNTRC09)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.46
Special Price:
$52.37
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Z-Flex Z-Vent 5" Universal Adaptor (2SVSA05)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$65.55
Special Price:
$52.44
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Z-Flex Z-Vent 3" Tee Cap (2SVDTC03)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$65.61
Special Price:
$52.49
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Z-Flex Z-Vent 9" Clamp Band (2SVDCB09)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$65.77
Special Price:
$52.61
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Z-Flex 7" Stainless Steel Top Support (2ZTSXXX07)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$65.99
Special Price:
$52.79
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Z-Flex Z-Vent 6" x 6" Stainless Steel Vent Pipe (2SVEP06.5)
Single Walled. Can be cut to length
Learn More
Regular Price:
$66.23
Special Price:
$52.99
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Z-Flex 10" Stainless Steel Drip-less Connector (2CNNTRC10)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$66.45
Special Price:
$53.16
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Z-Flex 10" B-Vent Connector (2CNNBFC10)
Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$66.47
Special Price:
$53.18
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Z-Flex Z-Vent 4" Tee Cap (2SVDTC04)
Double Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$66.67
Special Price:
$53.34
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Z-Flex 5" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0502)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$66.83
Special Price:
$53.46
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Z-Flex Z-Vent 3" to 4" Concentric Increaser (2SVSI0304)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$67.01
Special Price:
$53.60
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Z-Flex Z-Vent 4" to 3" Reducer Stainless Steel Venting (2SVSR0403)
Learn More
Regular Price:
$67.01
Special Price:
$53.60
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Z-Flex Z-Vent 3" to 4" Eccentric Increaser (2SVSIE0304)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$67.02
Special Price:
$53.62
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Z-Flex Z-Vent 6" Storm Collar (2SVSLS06)
Single Wall Stainless Steel, Category III Venting
Learn More
Regular Price:
$67.17
Special Price:
$53.74
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Z-Flex Z-Dens 6" Adaptor with High Temperature RTV Tube - Fulton Endura 6" to 6" - Stainless Steel (2ZDAEDR6)
Adaptor for Fulton Endura
Learn More
Regular Price:
$67.17
Special Price:
$53.74
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Z-Flex 6" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0605)
Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$67.49
Special Price:
$53.99
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Z-Flex 4" Double Wall Oil Vent Universal Connector (2OVIUCX04)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces
Learn More
Regular Price:
$67.88
Special Price:
$54.31