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

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Stainless Steel Venting

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.

43 Item(s)

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  1. Z-Flex Z-Vent 32" Single Wall to Double Wall Adaptor (2SVDSA32)

    Z-Flex Z-Vent 32" Single Wall to Double Wall Adaptor (2SVDSA32)

    Z-Flex Z-Vent 32" Single Wall to Double Wall Adaptor (2SVDSA32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,890.86

    Special Price: $1,512.70

    Details
  2. Z-Flex Z-Vent 30" Single Wall to Double Wall Adaptor (2SVDSA30)

    Z-Flex Z-Vent 30" Single Wall to Double Wall Adaptor (2SVDSA30)

    Z-Flex Z-Vent 30" Single Wall to Double Wall Adaptor (2SVDSA30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,645.06

    Special Price: $1,316.05

    Details
  3. Z-Flex Z-Vent 28" Single Wall to Double Wall Adaptor (2SVDSA28)

    Z-Flex Z-Vent 28" Single Wall to Double Wall Adaptor (2SVDSA28)

    Z-Flex Z-Vent 28" Single Wall to Double Wall Adaptor (2SVDSA28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,431.20

    Special Price: $1,144.96

    Details
  4. Z-Flex Z-Vent 26" Single Wall to Double Wall Adaptor (2SVDSA26)

    Z-Flex Z-Vent 26" Single Wall to Double Wall Adaptor (2SVDSA26)

    Z-Flex Z-Vent 26" Single Wall to Double Wall Adaptor (2SVDSA26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,245.14

    Special Price: $996.11

    Details
  5. Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,018.43

    Special Price: $814.75

    Details
  6. Z-Flex Z-Vent 22" Single Wall to Double Wall Adaptor (2SVDSA22)

    Z-Flex Z-Vent 22" Single Wall to Double Wall Adaptor (2SVDSA22)

    Z-Flex Z-Vent 22" Single Wall to Double Wall Adaptor (2SVDSA22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $870.70

    Special Price: $696.56

    Details
  7. Z-Flex Z-Vent 20" Single Wall to Double Wall Adaptor (2SVDSA20)

    Z-Flex Z-Vent 20" Single Wall to Double Wall Adaptor (2SVDSA20)

    Z-Flex Z-Vent 20" Single Wall to Double Wall Adaptor (2SVDSA20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $741.08

    Special Price: $592.87

    Details
  8. Z-Flex Z-Vent 18" Single Wall to Double Wall Adaptor (2SVDSA18)

    Z-Flex Z-Vent 18" Single Wall to Double Wall Adaptor (2SVDSA18)

    Z-Flex Z-Vent 18" Single Wall to Double Wall Adaptor (2SVDSA18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $629.73

    Special Price: $503.79

    Details
  9. Z-Flex Z-Vent 8" Single Wall to Double Wall Adaptor (2SVDSA08)

    Z-Flex Z-Vent 8" Single Wall to Double Wall Adaptor (2SVDSA08)

    Z-Flex Z-Vent 8" Single Wall to Double Wall Adaptor (2SVDSA08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $618.96

    Special Price: $495.18

    Details
  10. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 24" Universal Adaptor (2SVSA24)

    Z-Flex Z-Vent 24" Universal Adaptor (2SVSA24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $546.72

    Special Price: $437.38

    Details
  11. Z-Flex Z-Vent 16" Single Wall to Double Wall Adaptor (2SVDSA16)

    Z-Flex Z-Vent 16" Single Wall to Double Wall Adaptor (2SVDSA16)

    Z-Flex Z-Vent 16" Single Wall to Double Wall Adaptor (2SVDSA16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $534.59

    Special Price: $427.67

    Details
  12. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 22" Universal Adaptor (2SVSA22)

    Z-Flex Z-Vent 22" Universal Adaptor (2SVSA22)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $465.73

    Special Price: $372.59

    Details
  13. Z-Flex Z-Vent 14" Single Wall to Double Wall Adaptor (2SVDSA14)

    Z-Flex Z-Vent 14" Single Wall to Double Wall Adaptor (2SVDSA14)

    Z-Flex Z-Vent 14" Single Wall to Double Wall Adaptor (2SVDSA14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $430.28

    Special Price: $344.23

    Details
  14. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 20" Universal Adaptor (2SVSA20)

    Z-Flex Z-Vent 20" Universal Adaptor (2SVSA20)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $394.84

    Special Price: $315.88

    Details
  15. Z-Flex Z-Vent 12" Single Wall to Double Wall Adaptor (2SVDSA12)

    Z-Flex Z-Vent 12" Single Wall to Double Wall Adaptor (2SVDSA12)

    Z-Flex Z-Vent 12" Single Wall to Double Wall Adaptor (2SVDSA12)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $375.71

    Special Price: $300.56

    Details
  16. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 18" Universal Adaptor (2SVSA18)

    Z-Flex Z-Vent 18" Universal Adaptor (2SVSA18)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $336.12

    Special Price: $268.90

    Details
  17. Z-Flex Z-Vent 10" Single Wall to Double Wall Adaptor (2SVDSA10)

    Z-Flex Z-Vent 10" Single Wall to Double Wall Adaptor (2SVDSA10)

    Z-Flex Z-Vent 10" Single Wall to Double Wall Adaptor (2SVDSA10)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $325.11

    Special Price: $260.08

    Details
  18. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 16" Universal Adaptor (2SVSA16)

    Z-Flex Z-Vent 16" Universal Adaptor (2SVSA16)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $285.51

    Special Price: $228.40

    Details
  19. Z-Flex Z-Vent 9" Single Wall to Double Wall Adaptor (2SVDSA09)

    Z-Flex Z-Vent 9" Single Wall to Double Wall Adaptor (2SVDSA09)

    Z-Flex Z-Vent 9" Single Wall to Double Wall Adaptor (2SVDSA09)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $267.79

    Special Price: $214.23

    Details
  20. Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Z-Flex Z-Vent 14" Universal Adaptor (2SVSA14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $243.00

    Special Price: $194.40

    Details
  21. Z-Flex Z-Vent 7" Single Wall to Double Wall Adaptor (2SVDSA07)

    Z-Flex Z-Vent 7" Single Wall to Double Wall Adaptor (2SVDSA07)

    Z-Flex Z-Vent 7" Single Wall to Double Wall Adaptor (2SVDSA07)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $210.11

    Special Price: $168.08

    Details
  22. Z-Flex Z-Vent 12" Universal Adaptor (2SVSA12)

    Z-Flex Z-Vent 12" Universal Adaptor (2SVSA12)

    Z-Flex Z-Vent 12" Universal Adaptor (2SVSA12)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $205.63

    Special Price: $164.51

    Details
  23. Z-Flex Z-Vent 9" Universal Adaptor (2SVSA09)

    Z-Flex Z-Vent 9" Universal Adaptor (2SVSA09)

    Z-Flex Z-Vent 9" Universal Adaptor (2SVSA09)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $188.73

    Special Price: $150.98

    Details
  24. Z-Flex Z-Vent 5" Single Wall to Double Wall Adaptor (2SVDSA05)

    Z-Flex Z-Vent 5" Single Wall to Double Wall Adaptor (2SVDSA05)

    Z-Flex Z-Vent 5" Single Wall to Double Wall Adaptor (2SVDSA05)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $180.12

    Special Price: $144.10

    Details
  25. Z-Flex Z-Vent 6" Single Wall to Double Wall Adaptor (2SVDSA06)

    Z-Flex Z-Vent 6" Single Wall to Double Wall Adaptor (2SVDSA06)

    Z-Flex Z-Vent 6" Single Wall to Double Wall Adaptor (2SVDSA06)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $178.51

    Special Price: $142.82

    Details
  26. Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $156.11

    Special Price: $124.89

    Details
  27. Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $136.98

    Special Price: $109.58

    Details
  28. Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $110.15

    Special Price: $88.12

    Details
  29. Z-Flex 4" Universal Appliance Adaptor and Back-Flow Preventer (2ZVB04)

    Z-Flex 4" Universal Appliance Adaptor and Back-Flow Preventer (2ZVB04)

    Z-Flex Z-Vent 4" Universal Appliance Adaptor with Back-Flow Preventer (2ZVB04) Learn More

    Regular Price: $89.09

    Special Price: $71.28

    Details
  30. Z-Flex Z-Vent 6" Universal Adaptor (2SVSA06)

    Z-Flex Z-Vent 6" Universal Adaptor (2SVSA06)

    Z-Flex Z-Vent 6" Universal Adaptor (2SVSA06)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $74.66

    Special Price: $59.72

    Details
  31. Z-Flex Z-Vent 5" Universal Adaptor (2SVSA05)

    Z-Flex Z-Vent 5" Universal Adaptor (2SVSA05)

    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

    Details
  32. Z-Flex 4" Universal Adaptor Takagi, Paloma, Rheem, Noritz (2SVSNA04.5)

    Z-Flex 4" Universal Adaptor Takagi, Paloma, Rheem, Noritz (2SVSNA04.5)

    Z-Flex Z-Vent 4" Universal Adaptor: Takagi, Paloma, Rheem, Noritz (2SVSNA04.5) Learn More

    Regular Price: $57.30

    Special Price: $45.84

    Details
  33. Z-Flex Z-Vent 4" Noritz Adaptor (2SVWA04)

    Z-Flex Z-Vent 4" Noritz Adaptor (2SVWA04)

    Z-Flex Z-Vent 4" Noritz Adaptor (2SVWA04) Learn More

    Regular Price: $57.27

    Special Price: $45.82

    Details
  34. Z-Flex Z-Vent 4" Buderus GA Boiler Adaptor (2SVB04)

    Z-Flex Z-Vent 4" Buderus GA Boiler Adaptor (2SVB04)

    Z-Flex Z-Vent 4" Buderus GA Boiler Adaptor (2SVB04) Learn More

    Regular Price: $57.12

    Special Price: $45.70

    Details
  35. Z-Flex 4" Bosch 125FX / 425EF Adaptor Stainless Steel Vent (2SVFX04)

    Z-Flex 4" Bosch 125FX / 425EF Adaptor Stainless Steel Vent (2SVFX04)

    Z-Flex Z-Vent 4" Bosch 125FX / 425EF Adaptor Stainless Steel Venting (2SVFX04) Learn More

    Regular Price: $55.11

    Special Price: $44.09

    Details
  36. Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04)

    Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04)

    Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04) Learn More

    Regular Price: $55.11

    Special Price: $44.09

    Details
  37. Z-Flex 3" Universal Adaptor: Marey, Modine, Nordyne, QuietSide (2SVSNA03.5)

    Z-Flex 3" Universal Adaptor: Marey, Modine, Nordyne, QuietSide (2SVSNA03.5)

    Z-Flex Z-Vent 3" Universal Adaptor: Marey, Modine, Nordyne, QuietSide (2SVSNA03.5) Learn More

    Regular Price: $50.62

    Special Price: $40.49

    Details
  38. Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03)

    Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03)

    Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03) Learn More

    Regular Price: $49.23

    Special Price: $39.39

    Details
  39. Z-Flex Z-Vent 3" Noritz Adaptor (2SVWA03)

    Z-Flex Z-Vent 3" Noritz Adaptor (2SVWA03)

    Z-Flex Z-Vent 3" Noritz Adaptor (2SVWA03) Learn More

    Regular Price: $47.91

    Special Price: $38.33

    Details
  40. Z-Flex Z-Vent 3" Saf-T to Z-Vent Adaptor (2SVSHF03)

    Z-Flex Z-Vent 3" Saf-T to Z-Vent Adaptor (2SVSHF03)

    Z-Flex Z-Vent 3" Saf-T to Z-Vent Adaptor (2SVSHF03) Learn More

    Regular Price: $47.46

    Special Price: $37.96

    Details
  41. Z-Flex Z-Vent 3" Bosch 660EF Adaptor (2SVSWB03)

    Z-Flex Z-Vent 3" Bosch 660EF Adaptor (2SVSWB03)

    Z-Flex Z-Vent 3" Bosch 660EF Adaptor (2SVSWB03) Learn More

    Regular Price: $46.77

    Special Price: $37.42

    Details
  42. Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03)

    Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03)

    Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03) Learn More

    Regular Price: $46.06

    Special Price: $36.85

    Details
  43. Z-Flex Z-Vent 3" Weil-McLain CGI Starter (2SVEWMFAF03)

    Z-Flex Z-Vent 3" Weil-McLain CGI Starter (2SVEWMFAF03)

    Z-Flex Z-Vent 3" Weil-McLain CGI Starter (2SVEWMFAF03) Learn More

    Regular Price: $40.25

    Special Price: $32.20

    Details

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  1. Stainless Steel AL29-4C (42)
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  1. Rigid (43)
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  1. Z-Flex Z-Vent Dble-Wall SS (19)
  2. Z-Flex Z-Vent Single-Wall SS (24)
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