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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 Z-Vent 4" Firestop Spacer Stainless Steel Venting (2SVSFSF04)

    Z-Flex Z-Vent 4" Firestop Spacer (2SVSFSF04)

    Z-Flex Z-Vent 4" Firestop Spacer (2SVSFSF04)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $70.56

    Special Price: $56.45

    Details
  2. Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

    Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

    Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

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

    Regular Price: $70.13

    Special Price: $56.11

    Details
  3. Z-Flex 3" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0310)

    Z-Flex 3" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0310)

    Z-Flex 3" x 10' Length of Aluminum 2-Ply Liner (2GAXXXX0310)

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

    Regular Price: $69.16

    Special Price: $55.33

    Details
  4. Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $69.10

    Special Price: $55.29

    Details
  5. Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

    Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

    Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

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

    Regular Price: $69.10

    Special Price: $55.29

    Details
  6. Z-Flex Z-Dens 2" Flexible Coupling (2ZDFC2)

    Z-Flex Z-Dens 2" Flexible Coupling (2ZDFC2)

    Z-Flex Z-Dens 2" Flexible Coupling (2ZDFC2)

    Single Walled. For connecting male ends Learn More

    Regular Price: $68.90

    Special Price: $55.12

    Details
  7. Z-Flex Z-Vent 22" Guy Band Stainless Steel Venting (2SVDGB22)

    Z-Flex Z-Vent 22" Guy Band (2SVDGB22)

    Z-Flex Z-Vent 22" Guy Band (2SVDGB22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $68.86

    Special Price: $55.09

    Details
  8. Z-Flex Z-Dens 6" End Screen - Stainless Steel (2ZDES8)

    Z-Flex Z-Dens 8" End Screen - Stainless Steel (2ZDES8)

    Z-Flex Z-Dens 8" End Screen - Stainless Steel (2ZDES8)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $68.84

    Special Price: $55.06

    Details
  9. Z-Flex 8" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0801)

    Z-Flex 8" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0801)

    Z-Flex 8" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0801)

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

    Regular Price: $68.40

    Special Price: $54.73

    Details
  10. Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Single Walled. For conversion purposes Learn More

    Regular Price: $68.21

    Special Price: $54.57

    Details

Items 31 to 40 of 84 total

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Application
  1. Commercial,Residential (84)
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  1. Grey (1)
  2. White (7)
  3. Silver (76)
Material of Construction
  1. Aluminum (6)
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  1. Z-Dens 2" Single-Wall Venting (3)
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  3. Z-Dens 3" Single-Wall Venting (2)
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  9. Z-Flex 2" Chimney Liner (1)
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  12. Z-Flex 5" Chimney Liner (9)
  13. Z-Flex 6" Chimney Liner (7)
  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
  1. Kits (2)
  2. Straight Pipes (10)
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  14. Chimney Liner Connectors (21)
  15. Intake Air Ducts (2)
  16. Chimney Liner Lengths (6)
  17. Nose Cones (2)
  18. Decreasers (2)
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