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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.

43 Item(s)

Set Descending Direction
  1. Z-Flex Z-Vent 20" Storm Collar Stainless Steel Venting (2SVDLS20)

    Z-Flex Z-Vent 20" Storm Collar (2SVDLS20)

    Z-Flex Z-Vent 20" Storm Collar (2SVDLS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $386.76

    Special Price: $309.41

    Details
  2. Z-Flex Z-Vent 26" Firestop Spacer Stainless Steel Venting (2SVDFS26)

    Z-Flex Z-Vent 26" Firestop Spacer (2SVDFS26)

    Z-Flex Z-Vent 26" Firestop Spacer (2SVDFS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $387.26

    Special Price: $309.81

    Details
  3. Z-Flex Z-Vent 22" Firestop with Support Stainless Steel Venting (2SVDFSS22)

    Z-Flex Z-Vent 22" Firestop with Support (2SVDFSS22)

    Z-Flex Z-Vent 22" Firestop with Support (2SVDFSS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $388.77

    Special Price: $311.02

    Details
  4. Z-Flex Z-Vent 30" Clamp Band Stainless Steel Venting (2SVSCB14)

    Z-Flex Z-Vent 30" Clamp Band (2SVDCB30)

    Z-Flex Z-Vent 30" Clamp Band (2SVDCB30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $390.05

    Special Price: $312.04

    Details
  5. Z-Flex Z-Vent 12" Wall Support Stainless Steel Venting (2SVDWS12)

    Z-Flex Z-Vent 12" Wall Support (2SVDWS12)

    Z-Flex Z-Vent 12" Wall Support (2SVDWS12)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $392.66

    Special Price: $314.12

    Details
  6. Z-Flex Z-Vent 16" Base Support Stainless Steel Venting (2SVDBS16)

    Z-Flex Z-Vent 16" Base Support (2SVDBS16)

    Z-Flex Z-Vent 16" Base Support (2SVDBS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $419.15

    Special Price: $335.33

    Details
  7. Z-Flex Z-Vent 24" Firestop with Support Stainless Steel Venting (2SVDFSS24)

    Z-Flex Z-Vent 24" Firestop with Support (2SVDFSS24)

    Z-Flex Z-Vent 24" Firestop with Support (2SVDFSS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $431.31

    Special Price: $345.05

    Details
  8. Z-Flex Z-Vent 22" Storm Collar Stainless Steel Venting (2SVDLS22)

    Z-Flex Z-Vent 22" Storm Collar (2SVDLS22)

    Z-Flex Z-Vent 22" Storm Collar (2SVDLS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $439.40

    Special Price: $351.53

    Details
  9. Z-Flex Z-Vent 28" Firestop Spacer Stainless Steel Venting (2SVDFS28)

    Z-Flex Z-Vent 28" Firestop Spacer (2SVDFS28)

    Z-Flex Z-Vent 28" Firestop Spacer (2SVDFS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $445.12

    Special Price: $356.10

    Details
  10. Z-Flex Z-Vent 32" Clamp Band Stainless Steel Venting (2SVSCB14)

    Z-Flex Z-Vent 32" Clamp Band (2SVDCB32)

    Z-Flex Z-Vent 32" Clamp Band (2SVDCB32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $448.34

    Special Price: $358.67

    Details
  11. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVDWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVDWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVDWS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $460.64

    Special Price: $368.52

    Details
  12. Z-Flex Z-Vent 18" Base Support Stainless Steel Venting (2SVDBS18)

    Z-Flex Z-Vent 18" Base Support (2SVDBS18)

    Z-Flex Z-Vent 18" Base Support (2SVDBS18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $465.72

    Special Price: $372.58

    Details
  13. Z-Flex Z-Vent 8" Firestop with Support Stainless Steel Venting (2SVDFSS08)

    Z-Flex Z-Vent 8" Firestop with Support (2SVDFSS08)

    Z-Flex Z-Vent 8" Firestop with Support (2SVDFSS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $490.51

    Special Price: $392.41

    Details
  14. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVDBS14)

    Z-Flex Z-Vent 14" Base Support (2SVDBS14)

    Z-Flex Z-Vent 14" Base Support (2SVDBS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $493.75

    Special Price: $395.00

    Details
  15. Z-Flex Z-Vent 30" Firestop Spacer Stainless Steel Venting (2SVDFS30)

    Z-Flex Z-Vent 30" Firestop Spacer (2SVDFS30)

    Z-Flex Z-Vent 30" Firestop Spacer (2SVDFS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $511.62

    Special Price: $409.30

    Details
  16. Z-Flex Z-Vent 24" Storm Collar Stainless Steel Venting (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $515.64

    Special Price: $412.51

    Details
  17. Z-Flex Z-Vent 26" Firestop with Support Stainless Steel Venting (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $517.56

    Special Price: $414.05

    Details
  18. Z-Flex Z-Vent 20" Base Support Stainless Steel Venting (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $518.36

    Special Price: $414.69

    Details
  19. Z-Flex Z-Vent 16" Wall Support Stainless Steel Venting (2SVDWS16)

    Z-Flex Z-Vent 16" Wall Support (2SVDWS16)

    Z-Flex Z-Vent 16" Wall Support (2SVDWS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $556.83

    Special Price: $445.46

    Details
  20. Z-Flex Z-Vent 22" Base Support Stainless Steel Venting (2SVDBS22)

    Z-Flex Z-Vent 22" Base Support (2SVDBS22)

    Z-Flex Z-Vent 22" Base Support (2SVDBS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $575.07

    Special Price: $460.06

    Details
  21. Z-Flex Z-Vent 32" Firestop Spacer Stainless Steel Venting (2SVDFS32)

    Z-Flex Z-Vent 32" Firestop Spacer (2SVDFS32)

    Z-Flex Z-Vent 32" Firestop Spacer (2SVDFS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $588.09

    Special Price: $470.47

    Details
  22. Z-Flex Z-Vent 26" Storm Collar Stainless Steel Venting (2SVDLS26)

    Z-Flex Z-Vent 26" Storm Collar (2SVDLS26)

    Z-Flex Z-Vent 26" Storm Collar (2SVDLS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $600.16

    Special Price: $480.13

    Details
  23. Z-Flex Z-Vent 28" Firestop with Support Stainless Steel Venting (2SVDFSS28)

    Z-Flex Z-Vent 28" Firestop with Support (2SVDFSS28)

    Z-Flex Z-Vent 28" Firestop with Support (2SVDFSS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $619.69

    Special Price: $495.75

    Details
  24. Z-Flex Z-Vent 24" Base Support Stainless Steel Venting (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $637.84

    Special Price: $510.27

    Details
  25. Z-Flex Z-Vent 18" Wall Support Stainless Steel Venting (2SVDWS18)

    Z-Flex Z-Vent 18" Wall Support (2SVDWS18)

    Z-Flex Z-Vent 18" Wall Support (2SVDWS18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $655.24

    Special Price: $524.18

    Details
  26. Z-Flex Z-Vent 30" Firestop with Support Stainless Steel Venting (2SVDFSS30)

    Z-Flex Z-Vent 30" Firestop with Support (2SVDFSS30)

    Z-Flex Z-Vent 30" Firestop with Support (2SVDFSS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $712.29

    Special Price: $569.83

    Details
  27. Z-Flex Z-Vent 28" Storm Collar Stainless Steel Venting (2SVDLS28)

    Z-Flex Z-Vent 28" Storm Collar (2SVDLS28)

    Z-Flex Z-Vent 28" Storm Collar (2SVDLS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $718.59

    Special Price: $574.87

    Details
  28. Z-Flex Z-Vent 8" Base Support Stainless Steel Venting (2SVDBS08)

    Z-Flex Z-Vent 8" Base Support (2SVDBS08)

    Z-Flex Z-Vent 8" Base Support (2SVDBS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $726.13

    Special Price: $580.91

    Details
  29. Z-Flex Z-Vent 20" Wall Support Stainless Steel Venting (2SVDWS20)

    Z-Flex Z-Vent 20" Wall Support (2SVDWS20)

    Z-Flex Z-Vent 20" Wall Support (2SVDWS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $771.47

    Special Price: $617.18

    Details
  30. Z-Flex Z-Vent 26" Base Support Stainless Steel Venting (2SVDBS26)

    Z-Flex Z-Vent 26" Base Support (2SVDBS26)

    Z-Flex Z-Vent 26" Base Support (2SVDBS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $797.30

    Special Price: $637.84

    Details
  31. Z-Flex Z-Vent 32" Firestop with Support Stainless Steel Venting (2SVDFSS32)

    Z-Flex Z-Vent 32" Firestop with Support (2SVDFSS32)

    Z-Flex Z-Vent 32" Firestop with Support (2SVDFSS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $818.71

    Special Price: $654.97

    Details
  32. Z-Flex Z-Vent 30" Storm Collar Stainless Steel Venting (2SVDLS30)

    Z-Flex Z-Vent 30" Storm Collar (2SVDLS30)

    Z-Flex Z-Vent 30" Storm Collar (2SVDLS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $825.96

    Special Price: $660.78

    Details
  33. Z-Flex Z-Vent 22" Wall Support Stainless Steel Venting (2SVDWS22)

    Z-Flex Z-Vent 22" Wall Support (2SVDWS22)

    Z-Flex Z-Vent 22" Wall Support (2SVDWS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $907.13

    Special Price: $725.71

    Details
  34. Z-Flex Z-Vent 8" Wall Support Stainless Steel Venting (2SVDWS08)

    Z-Flex Z-Vent 8" Wall Support (2SVDWS08)

    Z-Flex Z-Vent 8" Wall Support (2SVDWS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $914.43

    Special Price: $731.55

    Details
  35. Z-Flex Z-Vent 28" Base Support Stainless Steel Venting (2SVDBS28)

    Z-Flex Z-Vent 28" Base Support (2SVDBS28)

    Z-Flex Z-Vent 28" Base Support (2SVDBS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $916.42

    Special Price: $733.14

    Details
  36. Z-Flex Z-Vent 32" Storm Collar Stainless Steel Venting (2SVDLS32)

    Z-Flex Z-Vent 32" Storm Collar (2SVDLS32)

    Z-Flex Z-Vent 32" Storm Collar (2SVDLS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $949.39

    Special Price: $759.52

    Details
  37. Z-Flex Z-Vent 30" Base Support Stainless Steel Venting (2SVDBS30)

    Z-Flex Z-Vent 30" Base Support (2SVDBS30)

    Z-Flex Z-Vent 30" Base Support (2SVDBS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,034.43

    Special Price: $827.54

    Details
  38. Z-Flex Z-Vent 24" Wall Support Stainless Steel Venting (2SVDWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVDWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVDWS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,043.18

    Special Price: $834.54

    Details
  39. Z-Flex Z-Vent 32" Base Support Stainless Steel Venting (2SVDBS32)

    Z-Flex Z-Vent 32" Base Support (2SVDBS32)

    Z-Flex Z-Vent 32" Base Support (2SVDBS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,177.13

    Special Price: $941.70

    Details
  40. Z-Flex Z-Vent 26" Wall Support Stainless Steel Venting (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,299.29

    Special Price: $1,039.43

    Details
  41. Z-Flex Z-Vent 28" Wall Support Stainless Steel Venting (2SVDWS28)

    Z-Flex Z-Vent 28" Wall Support (2SVDWS28)

    Z-Flex Z-Vent 28" Wall Support (2SVDWS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,493.44

    Special Price: $1,194.75

    Details
  42. Z-Flex Z-Vent 30" Wall Support Stainless Steel Venting (2SVDWS30)

    Z-Flex Z-Vent 30" Wall Support (2SVDWS30)

    Z-Flex Z-Vent 30" Wall Support (2SVDWS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,716.61

    Special Price: $1,373.28

    Details
  43. Z-Flex Z-Vent 32" Wall Support Stainless Steel Venting (2SVDWS32)

    Z-Flex Z-Vent 32" Wall Support (2SVDWS32)

    Z-Flex Z-Vent 32" Wall Support (2SVDWS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,973.10

    Special Price: $1,578.48

    Details

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  2. Z-Vent 12" Double-Wall Vent (1)
  3. Z-Vent 14" Double-Wall Vent (2)
  4. Z-Vent 16" Double-Wall Vent (2)
  5. Z-Vent 18" Double-Wall Vent (2)
  6. Z-Vent 20" Double-Wall Vent (3)
  7. Z-Vent 22" Double-Wall Vent (4)
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  9. Z-Vent 26" Double-Wall Vent (5)
  10. Z-Vent 28" Double-Wall Vent (5)
  11. Z-Vent 30" Double-Wall Vent (6)
  12. Z-Vent 32" Double-Wall Vent (6)
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