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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 12" to 18" Eccentric Increaser Stainless Steel Venting (2SVDIE1218)

    Z-Flex Z-Vent 12" to 18" Eccentric Increaser (2SVDIE1218)

    Z-Flex Z-Vent 12" to 18" Eccentric Increaser (2SVDIE1218)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,137.48

    Special Price: $909.98

    Details
  2. Z-Flex Z-Vent 10" to 16" Eccentric Increaser Stainless Steel Venting (2SVDIE1016)

    Z-Flex Z-Vent 10" to 16" Eccentric Increaser (2SVDIE1016)

    Z-Flex Z-Vent 10" to 16" Eccentric Increaser (2SVDIE1016)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,103.82

    Special Price: $883.06

    Details
  3. Z-Flex Z-Vent 16" to 18" Concentric Increaser Stainless Steel Venting (2SVDI1618)

    Z-Flex Z-Vent 16" to 18" Concentric Increaser (2SVDI1618)

    Z-Flex Z-Vent 16" to 18" Concentric Increaser (2SVDI1618)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $984.94

    Special Price: $787.96

    Details
  4. Z-Flex Z-Vent 16" to 18" Eccentric Increaser Stainless Steel Venting (2SVDIE1618)

    Z-Flex Z-Vent 16" to 18" Eccentric Increaser (2SVDIE1618)

    Z-Flex Z-Vent 16" to 18" Eccentric Increaser (2SVDIE1618)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $984.94

    Special Price: $787.96

    Details
  5. 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
  6. 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
  7. Z-Flex Z-Vent 14" to 16" Concentric Increaser Stainless Steel Venting (2SVDI1416)

    Z-Flex Z-Vent 14" to 16" Concentric Increaser (2SVDI1416)

    Z-Flex Z-Vent 14" to 16" Concentric Increaser (2SVDI1416)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $864.41

    Special Price: $691.53

    Details
  8. Z-Flex Z-Vent 14" to 16" Eccentric Increaser Stainless Steel Venting (2SVDIE1416)

    Z-Flex Z-Vent 14" to 16" Eccentric Increaser (2SVDIE1416)

    Z-Flex Z-Vent 14" to 16" Eccentric Increaser (2SVDIE1416)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $864.41

    Special Price: $691.53

    Details
  9. Z-Flex Z-Vent 12" to 18" Concentric Increaser Stainless Steel Venting (2SVDI1218)

    Z-Flex Z-Vent 12" to 18" Concentric Increaser (2SVDI1218)

    Z-Flex Z-Vent 12" to 18" Concentric Increaser (2SVDI1218)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $858.54

    Special Price: $686.84

    Details
  10. Z-Flex Z-Vent 6" to 12" Concentric Increaser Stainless Steel Venting (2SVDI0612)

    Z-Flex Z-Vent 6" to 12" Concentric Increaser (2SVDI0612)

    Z-Flex Z-Vent 6" to 12" Concentric Increaser (2SVDI0612)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $834.14

    Special Price: $667.32

    Details

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Clear All
Application
  1. Commercial,Residential (111)
Color
  1. White (8)
  2. Silver (103)
Material of Construction
  1. Stainless Steel (8)
  2. Stainless Steel AL29-4C (95)
  3. Polypropylene (8)
Product Sub Type
  1. Concentric (3)
  2. Rigid (108)
Product Type
  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 3" Single-Wall Venting (1)
  3. Z-Dens 4" Single-Wall Venting (2)
  4. Z-Dens 5" Single-Wall Venting (2)
  5. Z-Dens 6" Single-Wall Venting (2)
  6. Z-Flex 3" Chimney Liner (1)
  7. Z-Flex 4" Chimney Liner (2)
  8. Z-Flex 5" Chimney Liner (1)
  9. Z-Flex 6" Chimney Liner (2)
  10. Z-Flex 7" Chimney Liner (1)
  11. Z-Flex 8" Chimney Liner (1)
  12. Z-Vent 3" Single-Wall Venting (4)
  13. Z-Vent 4" Single-Wall Venting (5)
  14. Z-Vent 5" Single-Wall Venting (5)
  15. Z-Vent 6" Single-Wall Venting (8)
  16. Z-Vent 7" Single-Wall Venting (7)
  17. Z-Vent 8" Single-Wall Venting (7)
  18. Z-Vent 9" Single-Wall Venting (2)
  19. Z-Vent 10" Single-Wall Vent (5)
  20. Z-Vent 12" Single-Wall Vent (7)
  21. Z-Vent 14" Single-Wall Vent (1)
  22. Z-Vent 16" Single-Wall Vent (3)
  23. Z-Vent 18" Single-Wall Vent (2)
  24. Z-Vent 22" Single-Wall Vent (2)
  25. Z-Vent 3" Double-Wall Vent (2)
  26. Z-Vent 4" Double-Wall Vent (2)
  27. Z-Vent 5" Double-Wall Vent (3)
  28. Z-Vent 6" Double-Wall Vent (8)
  29. Z-Vent 7" Double-Wall Vent (5)
  30. Z-Vent 9" Double-Wall Vent (1)
  31. Z-Vent 10" Double-Wall Vent (6)
  32. Z-Vent 12" Double-Wall Vent (6)
  33. Z-Vent 14" Double-Wall Vent (2)
  34. Z-Vent 16" Double-Wall Vent (2)
Venting Style
  1. Z-Flex Chimney Liner (8)
  2. Z-Flex Z-Dens Polypropylene (8)
  3. Z-Flex Z-Vent Dble-Wall SS (37)
  4. Z-Flex Z-Vent Single-Wall SS (58)
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