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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 1 to 10 of 1483 total

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  1. Z-Flex 5" Aluminum Chimney Liner Connector (2CNNTRG05)

    Z-Flex 5" Aluminum Chimney Liner Connector (2CNNTRG05)

    Z-Flex 5" Aluminum Liner Connector (2CNNTRG05)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  2. Z-Flex 3" Aluminum Chimney Liner Connector (2CNNTRG03)

    Z-Flex 3" Aluminum Chimney Liner Connector (2CNNTRG03)

    Z-Flex 3" Aluminum Liner Connector (2CNNTRG03)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  3. Z-Flex Z-Vent 3" Gear Clamp (7HS44XX)

    Z-Flex Z-Vent 3" Gear Clamp (7HS44XX)

    Z-Flex Z-Vent 3" Gear Clamp (7HS44XX) Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  4. Z-Flex 5.5" Aluminum Chimney Liner Connector (2CNNTRG05.5)

    Z-Flex 5.5" Aluminum Chimney Liner Connector (2CNNTRG05.5)

    Z-Flex 5.5" Aluminum Liner Connector (2CNNTRG05.5)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  5. Z-Flex 4" Aluminum Chimney Liner Connector (2CNNTRG04)

    Z-Flex 4" Aluminum Chimney Liner Connector (2CNNTRG04)

    Z-Flex 4" Aluminum Liner Connector (2CNNTRG04)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  6. Z-Flex 6" Aluminum Chimney Liner Connector (2CNNTRG06)

    Z-Flex 6" Aluminum Chimney Liner Connector (2CNNTRG06)

    Z-Flex 6" Aluminum Liner Connector (2CNNTRG06)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $34.81

    Special Price: $27.84

    Details
  7. Z-Flex Z-Dens 2" Locking Clamp (2ZDLC2)

    Z-Flex Z-Dens 2" Locking Clamp (2ZDLC2)

    Z-Flex Z-Dens 2" Locking Clamp (2ZDLC2)

    Single Walled. For securing purposes Learn More

    Regular Price: $35.18

    Special Price: $28.14

    Details
  8. Z-Flex 7" Aluminum Chimney Liner Connector (2CNNTRG07)

    Z-Flex 7" Aluminum Chimney Liner Connector (2CNNTRG07)

    Z-Flex 7" Aluminum Liner Connector (2CNNTRG07)

    Aluminum Liner Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $35.34

    Special Price: $28.28

    Details
  9. Z-Flex Z-Dens 3" End Screen - Stainless Steel (2ZDES3)

    Z-Flex Z-Dens 3" End Screen - Stainless Steel (2ZDES3)

    Z-Flex Z-Dens 3" End Screen - Stainless Steel (2ZDES3)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $35.63

    Special Price: $28.50

    Details
  10. Z-Flex Z-Vent 5" Clamp Band Stainless Steel Venting (2SVSCB05)

    Z-Flex Z-Vent 5" Clamp Band (2SVSCB05)

    Z-Flex Z-Vent 5" Clamp Band (2SVSCB05)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $35.91

    Special Price: $28.74

    Details

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  1. Commercial,Residential (1483)
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  1. Aluminum (12)
  2. Galvanized Steel (91)
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Product Type
  1. Z-Dens 2" Single-Wall Venting (18)
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  15. Z-Flex 9" Chimney Liner (13)
  16. Z-Flex 10" Chimney Liner (19)
  17. Z-Flex 12" Chimney Liner (1)
  18. Z-Flex 18" Chimney Liner (1)
  19. Z-Vent 3" Single-Wall Venting (47)
  20. Z-Vent 4" Single-Wall Venting (48)
  21. Z-Vent 5" Single-Wall Venting (37)
  22. Z-Vent 6" Single-Wall Venting (40)
  23. Z-Vent 7" Single-Wall Venting (39)
  24. Z-Vent 8" Single-Wall Venting (39)
  25. Z-Vent 9" Single-Wall Venting (31)
  26. Z-Vent 10" Single-Wall Vent (37)
  27. Z-Vent 12" Single-Wall Vent (38)
  28. Z-Vent 14" Single-Wall Vent (32)
  29. Z-Vent 16" Single-Wall Vent (34)
  30. Z-Vent 18" Single-Wall Vent (32)
  31. Z-Vent 20" Single-Wall Vent (31)
  32. Z-Vent 22" Single-Wall Vent (31)
  33. Z-Vent 24" Single-Wall Vent (31)
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  36. Z-Vent 5" Double-Wall Vent (33)
  37. Z-Vent 6" Double-Wall Vent (40)
  38. Z-Vent 7" Double-Wall Vent (36)
  39. Z-Vent 8" Double-Wall Vent (39)
  40. Z-Vent 9" Double-Wall Vent (32)
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  48. Z-Vent 24" Double-Wall Vent (31)
  49. Z-Vent 26" Double-Wall Vent (31)
  50. Z-Vent 28" Double-Wall Vent (31)
  51. Z-Vent 30" Double-Wall Vent (31)
  52. Z-Vent 32" Double-Wall Vent (31)
Venting Style
  1. Z-Flex Chimney Liner (221)
  2. Z-Flex Z-Dens Polypropylene (73)
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  20. Decreasers (7)
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