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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.

48 Item(s)

Set Descending Direction
  1. Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE645)

    Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE645)

    Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE645)

    Single Walled. Can be cut to length Learn More

    Regular Price: $89.08

    Special Price: $71.27

    Details
  2. Z-Flex Z-Dens 2" Condensate Drain - White (2ZDCD2)

    Z-Flex Z-Dens 2" Condensate Drain - White (2ZDCD2)

    Z-Flex Z-Dens 2" Condensate Drain - White (2ZDCD2)

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

    Regular Price: $89.83

    Special Price: $71.86

    Details
  3. Z-Flex Z-Dens 2" Adjustable Flashing (2SVSADJF02)

    Z-Flex Z-Dens 2" Adjustable Flashing (2SVSADJF02)

    Z-Flex Z-Dens 2" Adjustable Flashing (2SVSADJF02)

    Single Walled. For roof usage Learn More

    Regular Price: $89.83

    Special Price: $71.86

    Details
  4. Z-Flex Z-Dens 2" Flat Flashing (2SVSSCF02)

    Z-Flex Z-Dens 2" Flat Flashing (2SVSSCF02)

    Z-Flex Z-Dens 2" Flat Flashing (2SVSSCF02)

    Single Walled. For roof usage Learn More

    Regular Price: $89.83

    Special Price: $71.86

    Details
  5. Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Single Walled. Can be cut to length Learn More

    Regular Price: $90.78

    Special Price: $72.62

    Details
  6. Z-Flex Z-Dens 3" Collinear to Concentric Adaptor (2ZDACLC3335)

    Z-Flex Z-Dens 3" Collinear to Concentric Adaptor (2ZDACLC3335)

    Z-Flex Z-Dens 3" Collinear to Concentric Adaptor (2ZDACLC3335)

    Single Walled. Can be cut to length Learn More

    Regular Price: $97.07

    Special Price: $77.66

    Details
  7. Z-Flex Z-Dens 2" Collinear to Concentric Adaptor (2ZDACLC2224)

    Z-Flex Z-Dens 2" Collinear to Concentric Adaptor (2ZDACLC2224)

    Z-Flex Z-Dens 2" Collinear to Concentric Adaptor (2ZDACLC2224)

    Single Walled. Can be cut to length Learn More

    Regular Price: $98.81

    Special Price: $79.05

    Details
  8. Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE687)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE687)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE687)

    Single Walled. Can be cut to length Learn More

    Regular Price: $100.21

    Special Price: $80.18

    Details
  9. Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Adaptor for Laars MagnaTherm Learn More

    Regular Price: $101.69

    Special Price: $81.35

    Details
  10. Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $101.69

    Special Price: $81.35

    Details
  11. Z-Flex Z-Dens 5" Termination Tee with Screen - Stainless Steel (2ZDTT5)

    Z-Flex Z-Dens 5" Termination Tee with Screen - Stainless Steel (2ZDTT5)

    Z-Flex Z-Dens 5" Termination Tee with Screen - Stainless Steel (2ZDTT5)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $104.40

    Special Price: $83.52

    Details
  12. Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

    Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

    Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

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

    Regular Price: $106.88

    Special Price: $85.50

    Details
  13. Z-Flex Z-Dens 5" Test Port - White (2ZDTP5)

    Z-Flex Z-Dens 5" Test Port - White (2ZDTP5)

    Z-Flex Z-Dens 5" Test Port - White (2ZDTP5)

    Single Walled. For gas analysis. Learn More

    Regular Price: $116.91

    Special Price: $93.53

    Details
  14. Z-Flex Z-Dens 6" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF6)

    Z-Flex Z-Dens 6" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF6)

    Z-Flex Z-Dens 6" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF6)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $117.20

    Special Price: $93.76

    Details
  15. Z-Flex Z-Dens 5" Condensate Drain - White (2ZDCD5H)

    Z-Flex Z-Dens 5" Condensate Drain - White (2ZDCD5H)

    Z-Flex Z-Dens 5" Condensate Drain - White (2ZDCD5H)

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

    Regular Price: $128.04

    Special Price: $102.44

    Details
  16. Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP636)

    Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP636)

    Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP636)

    Single Walled. Can be cut to length Learn More

    Regular Price: $128.39

    Special Price: $102.72

    Details
  17. Z-Flex Z-Dens 5" x 72" Polypropylene Vent Pipe - White (2ZDP572)

    Z-Flex Z-Dens 5" x 72" Polypropylene Vent Pipe - White (2ZDP572)

    Z-Flex Z-Dens 5" x 72" Polypropylene Vent Pipe - White (2ZDP572)

    Single Walled. Can be cut to length Learn More

    Regular Price: $133.26

    Special Price: $106.62

    Details
  18. Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Single Walled. For roof usage Learn More

    Regular Price: $138.83

    Special Price: $111.07

    Details
  19. Z-Flex Z-Dens 6" Test Port - White (2ZDTP6)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP6)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP6)

    Single Walled. For gas analysis. Learn More

    Regular Price: $143.01

    Special Price: $114.41

    Details
  20. Z-Flex Z-Dens 2" Condensate Trap (2ZDCT)

    Z-Flex Z-Dens 2" Condensate Trap (2ZDCT)

    Z-Flex Z-Dens 2" Condensate Trap (2ZDCT)

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

    Regular Price: $143.73

    Special Price: $114.99

    Details
  21. Z-Flex Z-Dens 2" Adjustable Flashing (Medium) (2ZDAFM2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Medium) (2ZDAFM2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Medium) (2ZDAFM2)

    Single Walled. For roof usage Learn More

    Regular Price: $143.73

    Special Price: $114.99

    Details
  22. Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI45)

    Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI45)

    Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI45)

    Single Walled. Can be cut to length Learn More

    Regular Price: $144.56

    Special Price: $115.64

    Details
  23. Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT6)

    Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT6)

    Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT6)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $148.58

    Special Price: $118.86

    Details
  24. Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Single Walled. Can be cut to length Learn More

    Regular Price: $155.22

    Special Price: $124.18

    Details
  25. Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT8)

    Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT8)

    Z-Flex Z-Dens 6" Termination Tee with Screen - Stainless Steel (2ZDTT8)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $169.21

    Special Price: $135.37

    Details
  26. Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Single Walled. Low-profile alternative Learn More

    Regular Price: $174.11

    Special Price: $139.29

    Details
  27. Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM06)

    Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM06)

    Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM06)

    Adaptor for Fulton Endura Learn More

    Regular Price: $175.34

    Special Price: $140.28

    Details
  28. Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD6H)

    Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD6H)

    Z-Flex Z-Dens 6" Condensate Drain - White (2ZDCD6H)

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

    Regular Price: $176.79

    Special Price: $141.43

    Details
  29. Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI56)

    Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI56)

    Z-Flex Z-Dens 5" Eccentric Increaser - 5" to 4" - White (2ZDI56)

    Single Walled. Can be cut to length Learn More

    Regular Price: $194.87

    Special Price: $155.89

    Details
  30. Z-Flex Z-Dens 3" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP3)

    Z-Flex Z-Dens 3" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP3)

    Z-Flex Z-Dens 3" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP3)

    Single Walled. Low-profile alternative Learn More

    Regular Price: $197.86

    Special Price: $158.29

    Details
  31. Z-Flex Z-Dens 6" x 24" Polypropylene Vent Pipe - White (2ZDP824)

    Z-Flex Z-Dens 6" x 24" Polypropylene Vent Pipe - White (2ZDP824)

    Z-Flex Z-Dens 6" x 24" Polypropylene Vent Pipe - White (2ZDP824)

    Single Walled. Can be cut to length Learn More

    Regular Price: $203.21

    Special Price: $162.56

    Details
  32. Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP672)

    Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP672)

    Z-Flex Z-Dens 6" x 72" Polypropylene Vent Pipe - White (2ZDP672)

    Single Walled. Can be cut to length Learn More

    Regular Price: $211.22

    Special Price: $168.97

    Details
  33. Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Adaptor for Weil Mclain Learn More

    Regular Price: $241.94

    Special Price: $193.56

    Details
  34. Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $251.22

    Special Price: $200.97

    Details
  35. Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM08)

    Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM08)

    Z-Flex Z-Dens 6" Adaptor with Viton Gasket - Aerco Benchmark (BMK750/1000/1500) 6" to 6" - Stainless Steel (2ZDAABM08)

    Adaptor for Fulton Endura Learn More

    Regular Price: $280.39

    Special Price: $224.32

    Details
  36. Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1008)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1008)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1008)

    Adaptor for Weil Mclain Learn More

    Regular Price: $285.12

    Special Price: $228.09

    Details
  37. Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Single Walled. For gas analysis. Learn More

    Regular Price: $288.10

    Special Price: $230.48

    Details
  38. Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE845)

    Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE845)

    Z-Flex Z-Dens 6" 45 Degree Elbow - White (2ZDE845)

    Single Walled. Can be cut to length Learn More

    Regular Price: $294.39

    Special Price: $235.51

    Details
  39. Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP836)

    Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP836)

    Z-Flex Z-Dens 6" x 36" Polypropylene Vent Pipe - White (2ZDP836)

    Single Walled. Can be cut to length Learn More

    Regular Price: $294.39

    Special Price: $235.51

    Details
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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

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