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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 28" Tee Cap with Drain Stainless Steel Venting (2SVDTCD28)

    Z-Flex Z-Vent 28" Tee Cap with Drain (2SVDTCD28)

    Z-Flex Z-Vent 28" Tee Cap with Drain (2SVDTCD28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $513.64

    Special Price: $410.91

    Details
  2. Z-Flex Z-Vent 24" Storm Collar Stainless Steel Venting (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $515.64

    Special Price: $412.51

    Details
  3. Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

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

    Regular Price: $517.11

    Special Price: $413.69

    Details
  4. Z-Flex Z-Vent 26" Firestop with Support Stainless Steel Venting (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $517.56

    Special Price: $414.05

    Details
  5. Z-Flex Z-Vent 14" Rain Cap with Wind Band Stainless Steel Venting (2SVDRCX14)

    Z-Flex Z-Vent 14" Rain Cap with Wind Band (2SVDRCX14)

    Z-Flex Z-Vent 14" Rain Cap with Wind Band (2SVDRCX14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $518.24

    Special Price: $414.59

    Details
  6. Z-Flex Z-Vent 20" Base Support Stainless Steel Venting (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $518.36

    Special Price: $414.69

    Details
  7. Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

    Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

    Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

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

    Regular Price: $519.54

    Special Price: $415.62

    Details
  8. Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

    Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

    Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

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

    Regular Price: $520.56

    Special Price: $416.45

    Details
  9. Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

    Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

    Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

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

    Regular Price: $521.26

    Special Price: $417.00

    Details
  10. Z-Flex Z-Vent 14" Low Resistance Rain Cap Stainless Steel Venting (2SVSRC14)

    Z-Flex Z-Vent 14" Low Resistance Rain Cap (2SVSRC14)

    Z-Flex Z-Vent 14" Low Resistance Rain Cap (2SVSRC14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $522.42

    Special Price: $417.94

    Details

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Application
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  1. Aluminum (29)
  2. Stainless Steel (7)
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  4. Polypropylene (3)
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  2. Flexible (39)
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  1. Z-Dens 3" Single-Wall Venting (1)
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  10. Z-Vent 12" Single-Wall Vent (3)
  11. Z-Vent 14" Single-Wall Vent (6)
  12. Z-Vent 16" Single-Wall Vent (6)
  13. Z-Vent 18" Single-Wall Vent (5)
  14. Z-Vent 20" Single-Wall Vent (5)
  15. Z-Vent 22" Single-Wall Vent (2)
  16. Z-Vent 24" Single-Wall Vent (4)
  17. Z-Vent 4" Double-Wall Vent (1)
  18. Z-Vent 5" Double-Wall Vent (2)
  19. Z-Vent 6" Double-Wall Vent (3)
  20. Z-Vent 7" Double-Wall Vent (1)
  21. Z-Vent 8" Double-Wall Vent (3)
  22. Z-Vent 9" Double-Wall Vent (4)
  23. Z-Vent 10" Double-Wall Vent (8)
  24. Z-Vent 12" Double-Wall Vent (7)
  25. Z-Vent 14" Double-Wall Vent (7)
  26. Z-Vent 16" Double-Wall Vent (4)
  27. Z-Vent 18" Double-Wall Vent (3)
  28. Z-Vent 20" Double-Wall Vent (4)
  29. Z-Vent 22" Double-Wall Vent (4)
  30. Z-Vent 24" Double-Wall Vent (4)
  31. Z-Vent 26" Double-Wall Vent (2)
  32. Z-Vent 28" Double-Wall Vent (2)
  33. Z-Vent 30" Double-Wall Vent (3)
  34. Z-Vent 32" Double-Wall Vent (2)
Venting Style
  1. Z-Flex Chimney Liner (38)
  2. Z-Flex Z-Dens Polypropylene (3)
  3. Z-Flex Z-Vent Dble-Wall SS (64)
  4. Z-Flex Z-Vent Single-Wall SS (31)
Venting Type
  1. Kits (24)
  2. Straight Pipes (22)
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