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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 8" x 15' Insul-Liner Kit (2GIAKXX0815)

    Z-Flex 8" x 15' Insul-Liner Kit (2GIAKXX0815)

    Z-Flex 8" x 15' Insul-Liner Kit (2GIAKXX0815)

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

    Regular Price: $754.53

    Special Price: $603.62

    Details
  2. Z-Flex Z-Vent 22" Termination Box Stainless Steel Venting (2SVDRTX22)

    Z-Flex Z-Vent 22" Termination Box (2SVDRTX22)

    Z-Flex Z-Vent 22" Termination Box (2SVDRTX22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $757.30

    Special Price: $605.83

    Details
  3. Z-Flex Z-Vent 14" x 114" Stainless Steel Vent Pipe (2SVEP1401.5)

    Z-Flex Z-Vent 24" x 124" Stainless Steel Vent Pipe (2SVEP2401.5)

    Z-Flex Z-Vent 24" x 124" Stainless Steel Vent Pipe (2SVEP2401.5)

    Single Walled. Can be cut to length Learn More

    Regular Price: $757.88

    Special Price: $606.31

    Details
  4. Z-Flex Z-Vent 12" to 14" Eccentric Increaser Stainless Steel Venting (2SVDIE1214)

    Z-Flex Z-Vent 12" to 14" Eccentric Increaser (2SVDIE1214)

    Z-Flex Z-Vent 12" to 14" Eccentric Increaser (2SVDIE1214)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $758.30

    Special Price: $606.64

    Details
  5. Z-Flex Z-Vent 12" to 16" Eccentric Increaser Stainless Steel Venting (2SVDIE1216)

    Z-Flex Z-Vent 12" to 16" Eccentric Increaser (2SVDIE1216)

    Z-Flex Z-Vent 12" to 16" Eccentric Increaser (2SVDIE1216)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $758.30

    Special Price: $606.64

    Details
  6. Z-Flex Z-Vent 14" Termination Box Stainless Steel Venting (2SVSRTX14)

    Z-Flex Z-Vent 22" Termination Box (2SVSRTX22)

    Z-Flex Z-Vent 22" Termination Box (2SVSRTX22)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $759.32

    Special Price: $607.46

    Details
  7. Z-Flex Z-Vent 14" to 24" Concentric Increaser Stainless Steel Venting (2SVSI1422)

    Z-Flex Z-Vent 22" to 24" Concentric Increaser (2SVSI2224)

    Z-Flex Z-Vent 22" to 24" Concentric Increaser (2SVSI2224)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $760.69

    Special Price: $608.56

    Details
  8. Z-Flex Z-Vent 14" to 24" Eccentric Increaser Stainless Steel Venting (2SVSIE1422)

    Z-Flex Z-Vent 22" to 24" Eccentric Increaser (2SVSIE2224)

    Z-Flex Z-Vent 22" to 24" Eccentric Increaser (2SVSIE2224)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $760.69

    Special Price: $608.56

    Details
  9. Z-Flex Z-Vent 12" x 90 Degree Elbow Stainless Steel Venting (2SVDE1290)

    Z-Flex Z-Vent 12" x 90 Degree Elbow Stainless Steel Venting (2SVDE1290)

    Z-Flex Z-Vent 12" x 90 Degree Elbow Stainless Steel Venting (2SVDE1290)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $763.08

    Special Price: $610.47

    Details
  10. Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

    Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

    Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

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

    Regular Price: $763.12

    Special Price: $610.49

    Details

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Application
  1. Commercial,Residential (77)
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  1. Silver (77)
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  1. Aluminum (16)
  2. Stainless Steel (6)
  3. Stainless Steel AL29-4C (53)
  4. Polypropylene (2)
Product Sub Type
  1. Flexible (28)
  2. Rigid (49)
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  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 3" Single-Wall Venting (1)
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  4. Z-Flex 4" Chimney Liner (6)
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  9. Z-Flex 8" Chimney Liner (4)
  10. Z-Flex 10" Chimney Liner (1)
  11. Z-Vent 16" Single-Wall Vent (2)
  12. Z-Vent 18" Single-Wall Vent (4)
  13. Z-Vent 20" Single-Wall Vent (2)
  14. Z-Vent 22" Single-Wall Vent (5)
  15. Z-Vent 24" Single-Wall Vent (2)
  16. Z-Vent 6" Double-Wall Vent (2)
  17. Z-Vent 7" Double-Wall Vent (1)
  18. Z-Vent 8" Double-Wall Vent (2)
  19. Z-Vent 9" Double-Wall Vent (1)
  20. Z-Vent 10" Double-Wall Vent (2)
  21. Z-Vent 12" Double-Wall Vent (6)
  22. Z-Vent 14" Double-Wall Vent (3)
  23. Z-Vent 16" Double-Wall Vent (1)
  24. Z-Vent 18" Double-Wall Vent (4)
  25. Z-Vent 20" Double-Wall Vent (1)
  26. Z-Vent 22" Double-Wall Vent (4)
  27. Z-Vent 24" Double-Wall Vent (3)
  28. Z-Vent 26" Double-Wall Vent (2)
  29. Z-Vent 30" Double-Wall Vent (1)
  30. Z-Vent 32" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (26)
  2. Z-Flex Z-Dens Polypropylene (2)
  3. Z-Flex Z-Vent Dble-Wall SS (34)
  4. Z-Flex Z-Vent Single-Wall SS (15)
Venting Type
  1. Kits (19)
  2. Straight Pipes (9)
  3. Elbows (3)
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  5. Adaptors (1)
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  7. Wall Thimbles (1)
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  10. Roof Flashings (3)
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