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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.

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  1. Z-Flex 9" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0901)

    Z-Flex 9" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0901)

    Z-Flex 9" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0901)

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

    Regular Price: $74.68

    Special Price: $59.74

    Details
  2. 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
  3. Z-Flex 6" Single Wall Oil Vent Appliance Connector (2OVSWAC06)

    Z-Flex 6" Single Wall Oil Vent Appliance Connector (2OVSWAC06)

    Z-Flex 6" Single Wall Oil Vent Appliance Connector (2OVSWAC06)

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

    Regular Price: $74.39

    Special Price: $59.51

    Details
  4. Z-Flex 6" Single Wall Oil Vent Universal Connector (2OVSWUC06)

    Z-Flex 6" Single Wall Oil Vent Universal Connector (2OVSWUC06)

    Z-Flex 6" Single Wall Oil Vent Universal Connector (2OVSWUC06)

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

    Regular Price: $74.39

    Special Price: $59.51

    Details
  5. Z-Flex 6" Double Wall Oil Vent Appliance Connector (2OVIACX06)

    Z-Flex 6" Double Wall Oil Vent Appliance Connector (2OVIACX06)

    Z-Flex 6" Double Wall Oil Vent Appliance Connector (2OVIACX06)

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

    Regular Price: $74.39

    Special Price: $59.51

    Details
  6. Z-Flex 6" Double Wall Oil Vent Universal Connector (2OVIUCX06)

    Z-Flex 6" Double Wall Oil Vent Universal Connector (2OVIUCX06)

    Z-Flex 6" Double Wall Oil Vent Universal Connector (2OVIUCX06)

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

    Regular Price: $74.39

    Special Price: $59.51

    Details
  7. Z-Flex Z-Vent 3" Adjustable Length Pipe (2SVSALS3)

    Z-Flex Z-Vent 3" Adjustable Length Pipe (2SVSALS3)

    Z-Flex Z-Vent 3" Adjustable Length Pipe (2SVSALS3)

    adjusts from 4" to 12" Learn More

    Regular Price: $74.28

    Special Price: $59.43

    Details
  8. Z-Flex 4" Nose Cone (2NCXXX04)

    Z-Flex 4" Nose Cone (2NCXXX04)

    Z-Flex 4" Nose Cone (2NCXXX04)

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

    Regular Price: $74.04

    Special Price: $59.23

    Details
  9. Z-Flex Z-Vent 5" Tee Cap with Drain Stainless Steel Venting (2SVSTCD05)

    Z-Flex Z-Vent 5" Tee Cap with Drain (2SVSTCD05)

    Z-Flex Z-Vent 5" Tee Cap with Drain (2SVSTCD05)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $73.89

    Special Price: $59.11

    Details
  10. Z-Flex 5" Stainless Steel Aerocowl Round Base (2ARCORB05)

    Z-Flex 5" Stainless Steel Aerocowl Round Base (2ARCORB05)

    Z-Flex 5" Stainless Steel Aerocowl Round Base (2ARCORB05)

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

    Regular Price: $73.82

    Special Price: $59.05

    Details

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  14. Z-Flex 7" Chimney Liner (1)
  15. Z-Flex 8" Chimney Liner (4)
  16. Z-Flex 9" Chimney Liner (2)
  17. Z-Flex 10" Chimney Liner (3)
  18. Z-Vent 3" Single-Wall Venting (5)
  19. Z-Vent 4" Single-Wall Venting (4)
  20. Z-Vent 5" Single-Wall Venting (5)
  21. Z-Vent 6" Single-Wall Venting (4)
  22. Z-Vent 7" Single-Wall Venting (2)
  23. Z-Vent 8" Single-Wall Venting (1)
  24. Z-Vent 22" Single-Wall Vent (1)
  25. Z-Vent 24" Single-Wall Vent (1)
  26. Z-Vent 3" Double-Wall Vent (1)
  27. Z-Vent 4" Double-Wall Vent (1)
  28. Z-Vent 5" Double-Wall Vent (1)
  29. Z-Vent 9" Double-Wall Vent (1)
  30. Z-Vent 22" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (43)
  2. Z-Flex Z-Dens Polypropylene (13)
  3. Z-Flex Z-Vent Dble-Wall SS (5)
  4. Z-Flex Z-Vent Single-Wall SS (23)
Venting Type
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  15. Intake Air Ducts (2)
  16. Chimney Liner Lengths (6)
  17. Nose Cones (2)
  18. Decreasers (2)
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