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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.

Items 1 to 10 of 58 total

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  1. Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Single Walled. For vertical piping Learn More

    Regular Price: $434.82

    Special Price: $347.86

    Details
  2. Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Z-Flex Z-Dens 2" Concentric Horizontal Kit (2ZDHK2)

    Single Walled. For horizontal piping Learn More

    Regular Price: $387.15

    Special Price: $305.00

    Details
  3. Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Single Walled. For horizontal piping Learn More

    Regular Price: $341.25

    Special Price: $273.00

    Details
  4. Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    Z-Flex Z-Dens 3"/5" Horizontal Termination Guard - Stainless Steel (2ZDTG5)

    For termination protection Learn More

    Regular Price: $321.78

    Special Price: $257.43

    Details
  5. Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    Z-Flex Z-Dens 4"/6" Horizontal Termination Guard - Stainless Steel (2ZDTG6)

    For termination protection Learn More

    Regular Price: $321.78

    Special Price: $257.43

    Details
  6. Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Z-Flex Z-Dens 6" Concentric Reducer - 4" to 6" - White (2ZDR86)

    Single Walled. Can be cut to length Learn More

    Regular Price: $273.52

    Special Price: $218.82

    Details
  7. Z-Flex Z-Dens 3" Concentric Vertical Kit (2ZDVK3)

    Z-Flex Z-Dens 3" Concentric Vertical Kit (2ZDVK3)

    Z-Flex Z-Dens 3" Concentric Vertical Kit (2ZDVK3)

    Single Walled. For vertical piping Learn More

    Regular Price: $267.64

    Special Price: $214.11

    Details
  8. Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Single Walled. Terminates vertical piping Learn More

    Regular Price: $267.48

    Special Price: $213.98

    Details
  9. Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    For termination protection Learn More

    Regular Price: $259.60

    Special Price: $207.68

    Details
  10. Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Single Walled. For horizontal piping Learn More

    Regular Price: $257.80

    Special Price: $206.24

    Details

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