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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

    • The product Z-Flex Z-Dens 2" Flexible Liner Kit (2ZD2FLK2) has been added to comparison list.
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.

30 Item(s)

Set Descending Direction
  1. Z-Flex Z-Dens 2" x 12" Polypropylene Vent Pipe UV - Black (2ZDP212UV)

    Z-Flex Z-Dens 2" x 12" Polypropylene Vent Pipe UV - Black (2ZDP212UV)

    Z-Flex Z-Dens 2" x 12" Polypropylene Vent Pipe UV - Black (2ZDP212UVUV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  2. Z-Flex Z-Dens 2" Black Wall Plate (2ZDWPB2)

    Z-Flex Z-Dens 2" Black Wall Plate (2ZDWPB2)

    Z-Flex Z-Dens 2" Black Wall Plate (2ZDWPB2)

    Single Walled. For aesthetic purposes Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  3. Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - Black (2ZDP324UV)

    Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - Black (2ZDP324UV)

    Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - Black (2ZDP324UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  4. Z-Flex Z-Dens 3" Rigid/Concentric Gasket - Black (2ZDG3)

    Z-Flex Z-Dens 3" Rigid/Concentric Gasket - Black (2ZDG3)

    Z-Flex Z-Dens 3" Rigid/Concentric Gasket - Black (2ZDG3)

    Requires gasket lubricant Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  5. Z-Flex Z-Dens 5" Rigid/Concentric Gasket - Black (2ZDG5)

    Z-Flex Z-Dens 5" Rigid/Concentric Gasket - Black (2ZDG5)

    Z-Flex Z-Dens 5" Rigid/Concentric Gasket - Black (2ZDG5)

    Requires gasket lubricant Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  6. Z-Flex Z-Dens 2" 45 Degree Elbow - Black (2ZDE245UV)

    Z-Flex Z-Dens 2" 45 Degree Elbow - Black (2ZDE245UV)

    Z-Flex Z-Dens 2" 45 Degree Elbow - Black (2ZDE245UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  7. Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Requires gasket lubricant Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  8. Z-Flex Z-Dens 2" 87 Degree Elbow - Black (2ZDE287UV)

    Z-Flex Z-Dens 2" 87 Degree Elbow - Black (2ZDE287UV)

    Z-Flex Z-Dens 2" 87 Degree Elbow - Black (2ZDE287UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  9. Z-Flex Z-Dens 3" Black Wall Plate (2ZDWPB3)

    Z-Flex Z-Dens 3" Black Wall Plate (2ZDWPB3)

    Z-Flex Z-Dens 3" Black Wall Plate (2ZDWPB3)

    Single Walled. For aesthetic purposes Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  10. Z-Flex Z-Dens 2" Flexible Spacer / Bracing Bracket (2ZDFS2)

    Z-Flex Z-Dens 2" Flexible Spacer / Bracing Bracket (2ZDFS2)

    Z-Flex Z-Dens 2" Flexible Spacer / Bracing Bracket (2ZDFS2)

    For use within chimney Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  11. Z-Flex Z-Dens 3" Flexible Spacer / Bracing Bracket (2ZDFS3)

    Z-Flex Z-Dens 3" Flexible Spacer / Bracing Bracket (2ZDFS3)

    Z-Flex Z-Dens 3" Flexible Spacer / Bracing Bracket (2ZDFS3)

    For use within chimney Learn More

    Regular Price: $34.82

    Special Price: $27.85

    Details
  12. Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG8)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG8)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG8)

    Requires gasket lubricant Learn More

    Regular Price: $35.06

    Special Price: $28.06

    Details
  13. Z-Flex Z-Dens 3" x 12" Polypropylene Vent Pipe UV - Black (2ZDP312UV)

    Z-Flex Z-Dens 3" x 12" Polypropylene Vent Pipe UV - Black (2ZDP312UV)

    Z-Flex Z-Dens 3" x 12" Polypropylene Vent Pipe UV - Black (2ZDP312UVUV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $35.18

    Special Price: $28.14

    Details
  14. Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG6)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG6)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Black (2ZDG6)

    Requires gasket lubricant Learn More

    Regular Price: $36.55

    Special Price: $29.23

    Details
  15. Z-Flex Z-Dens 3" 87 Degree Elbow - Black (2ZDE387UV)

    Z-Flex Z-Dens 3" 87 Degree Elbow - Black (2ZDE387UV)

    Z-Flex Z-Dens 3" 87 Degree Elbow - Black (2ZDE387UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $37.33

    Special Price: $29.87

    Details
  16. Z-Flex Z-Dens 3" 45 Degree Elbow - Black (2ZDE345UV)

    Z-Flex Z-Dens 3" 45 Degree Elbow - Black (2ZDE345UV)

    Z-Flex Z-Dens 3" 45 Degree Elbow - Black (2ZDE345UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $37.33

    Special Price: $29.87

    Details
  17. Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $38.46

    Special Price: $30.76

    Details
  18. Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $38.46

    Special Price: $30.76

    Details
  19. Z-Flex Z-Dens 2" x 36" Polypropylene Vent Pipe - Black (2ZDP236UV)

    Z-Flex Z-Dens 2" x 36" Polypropylene Vent Pipe - Black (2ZDP236UV)

    Z-Flex Z-Dens 2" x 36" Polypropylene Vent Pipe - Black (2ZDP236UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $39.55

    Special Price: $31.64

    Details
  20. Z-Flex Z-Dens 2" x 24" Polypropylene Vent Pipe - Black (2ZDP224UV)

    Z-Flex Z-Dens 2" x 24" Polypropylene Vent Pipe - Black (2ZDP224UV)

    Z-Flex Z-Dens 2" x 24" Polypropylene Vent Pipe - Black (2ZDP224UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $46.29

    Special Price: $37.03

    Details
  21. Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    For use within chimney Learn More

    Regular Price: $52.47

    Special Price: $41.99

    Details
  22. Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $55.10

    Special Price: $44.08

    Details
  23. Z-Flex Z-Dens 2" Round Chimney Cover (2ZDRCC2)

    Z-Flex Z-Dens 2" Round Chimney Cover (2ZDRCC2)

    Z-Flex Z-Dens 2" Round Chimney Cover (2ZDRCC2)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $91.13

    Special Price: $72.90

    Details
  24. Z-Flex Z-Dens 3" Round Chimney Cover (2ZDRCC3)

    Z-Flex Z-Dens 3" Round Chimney Cover (2ZDRCC3)

    Z-Flex Z-Dens 3" Round Chimney Cover (2ZDRCC3)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $91.13

    Special Price: $72.90

    Details
  25. Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $251.22

    Special Price: $200.97

    Details
  26. Z-Flex Z-Dens 2" Flexible Liner Kit (2ZD2FLK2)

    Z-Flex Z-Dens 2" Flexible Liner Kit (2ZD2FLK2)

    Z-Flex Z-Dens 2" Flexible Liner Kit (2ZD2FLK2)

    Single Walled. Can be cut to length Learn More

    Regular Price: $266.06

    Special Price: $212.84

    Details
  27. Z-Flex Z-Dens 3" Flexible Liner Kit (2ZD2FLK3)

    Z-Flex Z-Dens 3" Flexible Liner Kit (2ZD2FLK3)

    Z-Flex Z-Dens 3" Flexible Liner Kit (2ZD2FLK3)

    Single Walled. Can be cut to length Learn More

    Regular Price: $280.99

    Special Price: $224.80

    Details
  28. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC6)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $339.61

    Special Price: $271.69

    Details
  29. Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Single Walled. Can be cut to length Learn More

    Regular Price: $388.13

    Special Price: $310.50

    Details
  30. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $405.71

    Special Price: $324.56

    Details

30 Item(s)

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  1. Commercial,Residential (30)
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  1. Polypropylene (30)
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  1. $0.00 - $99.99 (24)
  2. $200.00 - $299.99 (4)
  3. $300.00 and above (2)
Product Sub Type
  1. Flexible (8)
  2. Rigid (22)
Product Type
  1. Z-Dens 2" Single-Wall Venting (9)
  2. Z-Dens 3" Single-Wall Venting (10)
  3. Z-Dens 4" Single-Wall Venting (5)
  4. Z-Dens 5" Single-Wall Venting (2)
  5. Z-Dens 6" Single-Wall Venting (2)
  6. Z-Dens 8" Single-Wall Venting (2)
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  1. Z-Flex Z-Dens Polypropylene (30)
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  1. Kits (3)
  2. Straight Pipes (6)
  3. Elbows (6)
  4. Supports (15)
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