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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-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Z-Flex Z-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Z-Flex Z-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Single Walled. Can be cut to length Learn More

    Regular Price: $50.12

    Special Price: $40.09

    Details
  2. Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Single Walled. Can be cut to length Learn More

    Regular Price: $50.12

    Special Price: $40.09

    Details
  3. Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $50.61

    Special Price: $40.49

    Details
  4. Z-Flex Z-Dens 2" Test Port - White (2ZDTP2)

    Z-Flex Z-Dens 2" Test Port - White (2ZDTP2)

    Z-Flex Z-Dens 2" Test Port - White (2ZDTP2)

    Single Walled. For gas analysis. Learn More

    Regular Price: $51.22

    Special Price: $40.97

    Details
  5. Z-Flex Z-Dens 2.6" to 8.3" Adjustable Pipe - White (2ZDAP2)

    Z-Flex Z-Dens 2.6" to 8.3" Adjustable Pipe - White (2ZDAP2)

    Z-Flex Z-Dens 2.6" to 8.3" Adjustable Pipe - White (2ZDAP2)

    Single Walled. Can be cut and adjusted to length Learn More

    Regular Price: $51.82

    Special Price: $41.46

    Details
  6. Z-Flex Z-Dens 2"/4" Concentric Pipe - White (2ZDCP2424)

    Z-Flex Z-Dens 2"/4" Concentric Pipe - White (2ZDCP2424)

    Z-Flex Z-Dens 2"/4" Concentric Pipe - White (2ZDCP2424)

    Concentric. Can be cut to length Learn More

    Regular Price: $51.85

    Special Price: $41.48

    Details
  7. Z-Flex Z-Dens 2"/4" 87 Degree Concentric Elbow - White (2ZDCE2487)

    Z-Flex Z-Dens 2"/4" 87 Degree Concentric Elbow - White (2ZDCE2487)

    Z-Flex Z-Dens 2"/4" 87 Degree Concentric Elbow - White (2ZDCE2487)

    Concentric. Can be cut to length Learn More

    Regular Price: $51.85

    Special Price: $41.48

    Details
  8. Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Single Walled. For securing purposes Learn More

    Regular Price: $52.33

    Special Price: $41.86

    Details
  9. 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
  10. Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Single Walled. Can be cut to length Learn More

    Regular Price: $52.73

    Special Price: $42.18

    Details

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