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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.

Items 101 to 129 of 129 total

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  1. 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
  2. Z-Flex Z-Dens 6" Eccentric Increaser - 6" to 8" - White (2ZDI68)

    Z-Flex Z-Dens 6" Eccentric Increaser - 6" to 8" - White (2ZDI68)

    Z-Flex Z-Dens 6" Eccentric Increaser - 6" to 8" - White (2ZDI68)

    Single Walled. Can be cut to length Learn More

    Regular Price: $325.71

    Special Price: $260.57

    Details
  3. Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD8H)

    Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD8H)

    Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD8H)

    Single Walled. Can be cut to length. For condensation collection prevention Learn More

    Regular Price: $337.88

    Special Price: $270.31

    Details
  4. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $339.61

    Special Price: $271.69

    Details
  5. Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    For lengthening purposes Learn More

    Regular Price: $345.62

    Special Price: $276.49

    Details
  6. Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Single Walled. Can be cut to length Learn More

    Regular Price: $352.00

    Special Price: $281.60

    Details
  7. Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Single Walled. For vertical piping Learn More

    Regular Price: $368.47

    Special Price: $294.78

    Details
  8. 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
  9. 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
  10. Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Single Walled. Can be cut to length Learn More

    Regular Price: $388.13

    Special Price: $310.50

    Details
  11. 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
  12. Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Single Walled. Can be cut to length Learn More

    Regular Price: $403.98

    Special Price: $323.18

    Details
  13. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $405.71

    Special Price: $324.56

    Details
  14. Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP872)

    Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP872)

    Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP872)

    Single Walled. Can be cut to length Learn More

    Regular Price: $414.76

    Special Price: $331.81

    Details
  15. 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
  16. 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
  17. Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Single Walled. For vertical piping Learn More

    Regular Price: $502.81

    Special Price: $402.25

    Details
  18. Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Single Walled. Can be cut to length Learn More

    Regular Price: $528.29

    Special Price: $422.63

    Details
  19. Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    For vertical installations Learn More

    Regular Price: $702.45

    Special Price: $561.97

    Details
  20. Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Single Walled. Can be cut to length Learn More

    Regular Price: $703.96

    Special Price: $563.18

    Details
  21. Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT8)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT8)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT8)

    Single Walled. For vertical piping Learn More

    Regular Price: $710.19

    Special Price: $568.16

    Details
  22. Z-Flex Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    Z-Flex Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    Z-Flex Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    For vertical installations Learn More

    Regular Price: $788.27

    Special Price: $630.61

    Details
  23. Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    For vertical installations Learn More

    Regular Price: $828.46

    Special Price: $662.77

    Details
  24. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Single Walled. Can be cut to length Learn More

    Regular Price: $925.37

    Special Price: $740.30

    Details
  25. Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    For vertical installations Learn More

    Regular Price: $957.70

    Special Price: $766.16

    Details
  26. Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,056.56

    Special Price: $845.25

    Details
  27. Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    For vertical installations Learn More

    Regular Price: $1,204.07

    Special Price: $963.26

    Details
  28. Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    For vertical installations Learn More

    Regular Price: $1,429.73

    Special Price: $1,143.78

    Details
  29. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,850.74

    Special Price: $1,480.60

    Details

Items 101 to 129 of 129 total

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