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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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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.

20 Item(s)

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  1. Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Single Walled. For vertical piping Learn More

    Regular Price: $500.04

    Special Price: $400.04

    Details
  2. Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Single Walled. For horizontal piping Learn More

    Regular Price: $445.22

    Special Price: $350.75

    Details
  3. Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Single Walled. For horizontal piping Learn More

    Regular Price: $392.44

    Special Price: $313.95

    Details
  4. Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    For termination protection Learn More

    Regular Price: $370.05

    Special Price: $296.04

    Details
  5. Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    For termination protection Learn More

    Regular Price: $370.05

    Special Price: $296.04

    Details
  6. Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Single Walled. Can be cut to length Learn More

    Regular Price: $314.55

    Special Price: $251.64

    Details
  7. Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Single Walled. Terminates vertical piping Learn More

    Regular Price: $307.60

    Special Price: $246.08

    Details
  8. Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    For termination protection Learn More

    Regular Price: $298.54

    Special Price: $238.83

    Details
  9. Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Single Walled. For horizontal piping Learn More

    Regular Price: $296.47

    Special Price: $237.18

    Details
  10. Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Single Walled. Terminates horizontal piping Learn More

    Regular Price: $204.27

    Special Price: $163.42

    Details
  11. Z-Flex Z-Dens 6" Concentric Reducer - 6" to 4" - White (2ZDR64)

    Z-Flex Z-Dens 6" Concentric Reducer - 6" to 4" - White (2ZDR64)

    Z-Flex Z-Dens 6" Concentric Reducer - 6" to 4" - White (2ZDR64)

    Single Walled. Can be cut to length Learn More

    Regular Price: $182.95

    Special Price: $146.36

    Details
  12. Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT3540)

    Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT3540)

    Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT3540)

    Concentric. For extended vertical piping Learn More

    Regular Price: $159.71

    Special Price: $127.77

    Details
  13. Z-Flex Z-Dens 3" Concentric Termination Vertical (2ZDCTV35)

    Z-Flex Z-Dens 3" Concentric Termination Vertical (2ZDCTV35)

    Z-Flex Z-Dens 3" Concentric Termination Vertical (2ZDCTV35)

    Single Walled. Terminates vertical piping Learn More

    Regular Price: $152.77

    Special Price: $122.21

    Details
  14. Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT2440)

    Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT2440)

    Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 40 Inch (2ZDCRT2440)

    Concentric. For extended vertical piping Learn More

    Regular Price: $149.27

    Special Price: $119.42

    Details
  15. Z-Flex Z-Dens 2" Concentric Termination Vertical (2ZDCTV24)

    Z-Flex Z-Dens 2" Concentric Termination Vertical (2ZDCTV24)

    Z-Flex Z-Dens 2" Concentric Termination Vertical (2ZDCTV24)

    Single Walled. Terminates vertical piping Learn More

    Regular Price: $149.27

    Special Price: $119.42

    Details
  16. Z-Flex Z-Dens 3" Concentric Termination Horizontal (2ZDCTH35)

    Z-Flex Z-Dens 3" Concentric Termination Horizontal (2ZDCTH35)

    Z-Flex Z-Dens 3" Concentric Termination Horizontal (2ZDCTH35)

    Single Walled. Terminates horizontal piping Learn More

    Regular Price: $113.39

    Special Price: $90.71

    Details
  17. Z-Flex Z-Dens 2"/4" Concentric Test Port - White (2ZDCTP24)

    Z-Flex Z-Dens 2"/4" Concentric Test Port - White (2ZDCTP24)

    Z-Flex Z-Dens 2"/4" Concentric Test Port - White (2ZDCTP24)

    Concentric. For gas analysis. Learn More

    Regular Price: $111.00

    Special Price: $88.80

    Details
  18. Z-Flex Z-Dens 2" Concentric Termination Horizontal (2ZDCTH24)

    Z-Flex Z-Dens 2" Concentric Termination Horizontal (2ZDCTH24)

    Z-Flex Z-Dens 2" Concentric Termination Horizontal (2ZDCTH24)

    Single Walled. Terminates horizontal piping Learn More

    Regular Price: $107.79

    Special Price: $86.24

    Details
  19. Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Concentric. For gas analysis. Learn More

    Regular Price: $102.29

    Special Price: $81.83

    Details
  20. Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Concentric. For gas analysis. Learn More

    Regular Price: $102.29

    Special Price: $81.83

    Details

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  1. Commercial,Residential (20)
Color
  1. White (7)
  2. Silver (13)
Product Type
  1. Z-Dens 2" Single-Wall Venting (3)
  2. Z-Dens 2"/4" Concentric Vent (3)
  3. Z-Dens 3" Single-Wall Venting (3)
  4. Z-Dens 3"/5" Concentric Vent (3)
  5. Z-Dens 4" Single-Wall Venting (4)
  6. Z-Dens 4"/6" Concentric Vent (2)
  7. Z-Dens 6" Single-Wall Venting (2)
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  1. Z-Flex Z-Dens Polypropylene (20)
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  1. Kits (7)
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