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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 20" Rain Cap with Wind Band Stainless Steel Venting (2SVDRCX20)

    Z-Flex Z-Vent 20" Rain Cap with Wind Band (2SVDRCX20)

    Z-Flex Z-Vent 20" Rain Cap with Wind Band (2SVDRCX20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $978.02

    Special Price: $782.41

    Details
  2. Z-Flex Z-Vent 14" Rain Cap with Wind Band Stainless Steel Venting (2SVSRCX14)

    Z-Flex Z-Vent 20" Rain Cap with Wind Band (2SVSRCX20)

    Z-Flex Z-Vent 20" Rain Cap with Wind Band (2SVSRCX20)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $978.01

    Special Price: $782.40

    Details
  3. Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

    Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

    Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

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

    Regular Price: $974.66

    Special Price: $779.73

    Details
  4. Z-Flex Z-Vent 10" to 14" Eccentric Increaser Stainless Steel Venting (2SVDIE1014)

    Z-Flex Z-Vent 10" to 14" Eccentric Increaser (2SVDIE1014)

    Z-Flex Z-Vent 10" to 14" Eccentric Increaser (2SVDIE1014)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $974.12

    Special Price: $779.30

    Details
  5. Z-Flex Z-Vent 10" to 16" Concentric Increaser Stainless Steel Venting (2SVDI1016)

    Z-Flex Z-Vent 10" to 16" Concentric Increaser (2SVDI1016)

    Z-Flex Z-Vent 10" to 16" Concentric Increaser (2SVDI1016)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $974.12

    Special Price: $779.30

    Details
  6. Z-Flex Z-Vent 14" x 3' Stainless Steel Vent Pipe (2SVDP1403)

    Z-Flex Z-Vent 14" x 3' Stainless Steel Vent Pipe (2SVDP1403)

    Z-Flex Z-Vent 14" x 3' Stainless Steel Vent Pipe (2SVDP1403)

    Double Walled. Can be cut to length Learn More

    Regular Price: $966.79

    Special Price: $773.43

    Details
  7. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 24" Wall Support (2SVSWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVSWS24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $961.81

    Special Price: $769.45

    Details
  8. Z-Flex Z-Vent 14" x 2' Stainless Steel Vent Pipe (2SVEP1402)

    Z-Flex Z-Vent 24" x 2' Stainless Steel Vent Pipe (2SVEP2402)

    Z-Flex Z-Vent 24" x 2' Stainless Steel Vent Pipe (2SVEP2402)

    Single Walled. Can be cut to length Learn More

    Regular Price: $960.45

    Special Price: $768.36

    Details
  9. Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    Z-Flex Z-Dens 3" x 35' Chimney Flexible Kit (2ZDFK335)

    For vertical installations Learn More

    Regular Price: $957.70

    Special Price: $766.16

    Details
  10. Z-Flex 10" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1035)

    Z-Flex 10" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1035)

    Z-Flex 10" x 35' Length of Aluminum 2-Ply Liner (2GAXXXX1035)

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

    Regular Price: $956.98

    Special Price: $765.59

    Details

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Application
  1. Commercial,Residential (77)
Material of Construction
  1. Aluminum (21)
  2. Ceramic Fiber (5)
  3. Stainless Steel (6)
  4. Stainless Steel AL29-4C (43)
  5. Polypropylene (2)
Product Sub Type
  1. Flexible (42)
  2. Rigid (35)
Product Type
  1. Z-Dens 3" Single-Wall Venting (1)
  2. Z-Dens 4" Single-Wall Venting (1)
  3. Z-Flex 3" Chimney Liner (6)
  4. Z-Flex 4" Chimney Liner (4)
  5. Z-Flex 5" Chimney Liner (3)
  6. Z-Flex 5.5" Chimney Liner (1)
  7. Z-Flex 6" Chimney Liner (5)
  8. Z-Flex 7" Chimney Liner (4)
  9. Z-Flex 8" Chimney Liner (8)
  10. Z-Flex 9" Chimney Liner (5)
  11. Z-Flex 10" Chimney Liner (4)
  12. Z-Vent 18" Single-Wall Vent (2)
  13. Z-Vent 20" Single-Wall Vent (2)
  14. Z-Vent 24" Single-Wall Vent (3)
  15. Z-Vent 8" Double-Wall Vent (5)
  16. Z-Vent 9" Double-Wall Vent (2)
  17. Z-Vent 10" Double-Wall Vent (5)
  18. Z-Vent 12" Double-Wall Vent (1)
  19. Z-Vent 14" Double-Wall Vent (1)
  20. Z-Vent 16" Double-Wall Vent (2)
  21. Z-Vent 20" Double-Wall Vent (4)
  22. Z-Vent 22" Double-Wall Vent (1)
  23. Z-Vent 24" Double-Wall Vent (2)
  24. Z-Vent 26" Double-Wall Vent (2)
  25. Z-Vent 28" Double-Wall Vent (2)
  26. Z-Vent 32" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (40)
  2. Z-Flex Z-Dens Polypropylene (2)
  3. Z-Flex Z-Vent Dble-Wall SS (28)
  4. Z-Flex Z-Vent Single-Wall SS (7)
Venting Type
  1. Kits (25)
  2. Straight Pipes (6)
  3. Elbows (3)
  4. Tees (8)
  5. Increasers (4)
  6. Wall Thimbles (1)
  7. Terminations (3)
  8. Roof Flashings (1)
  9. Supports (6)
  10. Rain Caps (4)
  11. Chimney Liner Lengths (11)
  12. Insulating Blankets (5)
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