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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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Polypropylene Vent Pipe

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.

Z-Flex Z-Dens allows you to mix and match between single wall rigid, flexible and concentric venting parts.

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  1. Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    Z-Flex Z-Dens 2" x 25' Chimney Flexible Kit (2ZDFK225)

    For vertical installations Learn More

    Regular Price: $702.45

    Special Price: $561.97

    Details
  2. Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Single Walled. Can be cut to length Learn More

    Regular Price: $528.29

    Special Price: $422.63

    Details
  3. Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Z-Flex Z-Dens 6" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT6)

    Single Walled. For vertical piping Learn More

    Regular Price: $502.81

    Special Price: $402.25

    Details
  4. 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: $500.04

    Special Price: $400.04

    Details
  5. Z-Flex Z-Dens 2" Concentric Vertical Kit (2ZDVK2)

    Z-Flex Z-Dens 2" Concentric Vertical Kit (2ZDVK2)

    Z-Flex Z-Dens 2" Concentric Vertical Kit (2ZDVK2)

    Single Walled. For vertical piping Learn More

    Regular Price: $457.22

    Special Price: $362.25

    Details
  6. 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: $445.22

    Special Price: $350.75

    Details
  7. 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: $392.44

    Special Price: $313.95

    Details
  8. 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: $370.05

    Special Price: $296.04

    Details
  9. 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: $370.05

    Special Price: $296.04

    Details
  10. Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Z-Flex Z-Dens 5" Roof Termination with Bracket PPs/Galvanised-Black (2ZDRT5)

    Single Walled. For vertical piping Learn More

    Regular Price: $368.47

    Special Price: $294.78

    Details

Items 11 to 20 of 111 total

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  1. $0.00 - $999.99 (109)
  2. $1,000.00 and above (2)
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  1. Commercial,Residential (110)
Venting Type
  1. Kits (23)
  2. Condensation Drains (1)
  3. Adaptors (33)
  4. Terminations (21)
  5. Roof Flashings (5)
  6. Supports (27)
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  1. Z-Dens 2" Single-Wall Venting (27)
  2. Z-Dens 2"/4" Concentric Vent (3)
  3. Z-Dens 3" Single-Wall Venting (24)
  4. Z-Dens 3"/5" Concentric Vent (2)
  5. Z-Dens 4" Single-Wall Venting (24)
  6. Z-Dens 4"/6" Concentric Vent (2)
  7. Z-Dens 5" Single-Wall Venting (5)
  8. Z-Dens 6" Single-Wall Venting (13)
  9. Z-Dens 8" Single-Wall Venting (10)
Material of Construction
  1. Polypropylene (110)
Product Sub Type
  1. Concentric (21)
  2. Flexible (15)
  3. Rigid (74)
Venting Style
  1. Z-Flex Z-Dens Polypropylene (110)
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