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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.

Items 1 to 10 of 51 total

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  1. Z-Flex Z-Dens 3" Flexible Installation Tool (2ZDFIT3)

    Z-Flex Z-Dens 3" Flexible Installation Tool (2ZDFIT3)

    Z-Flex Z-Dens 3" Flexible Installation Tool (2ZDFIT3)

    Single Walled. For vertical/horizontal installation Learn More

    Regular Price: $98.43

    Special Price: $78.74

    Details
  2. Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Single Walled. For connecting male ends Learn More

    Regular Price: $93.27

    Special Price: $74.61

    Details
  3. 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
  4. 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
  5. Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT3520)

    Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT3520)

    Z-Flex Z-Dens 3"/5" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT3520)

    Concentric. For extended vertical piping Learn More

    Regular Price: $89.78

    Special Price: $71.82

    Details
  6. Z-Flex Z-Dens 2" Flexible Installation Tool (2ZDFIT2)

    Z-Flex Z-Dens 2" Flexible Installation Tool (2ZDFIT2)

    Z-Flex Z-Dens 2" Flexible Installation Tool (2ZDFIT2)

    Single Walled. For vertical/horizontal installation Learn More

    Regular Price: $86.95

    Special Price: $69.55

    Details
  7. Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Single Walled. For termination purposes Learn More

    Regular Price: $86.63

    Special Price: $69.31

    Details
  8. Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT2420)

    Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT2420)

    Z-Flex Z-Dens 2"/4" Concentric Roof Termination EXTENSION with Guy Support Bracket - 20 Inch (2ZDCRT2420)

    Concentric. For extended vertical piping Learn More

    Regular Price: $83.52

    Special Price: $66.82

    Details
  9. Z-Flex Z-Dens 3" Flexible Coupling (2ZDFC3)

    Z-Flex Z-Dens 3" Flexible Coupling (2ZDFC3)

    Z-Flex Z-Dens 3" Flexible Coupling (2ZDFC3)

    Single Walled. For connecting male ends Learn More

    Regular Price: $76.91

    Special Price: $61.54

    Details
  10. Z-Flex Z-Dens 3" Wall Plate Termination (2ZDWPT35)

    Z-Flex Z-Dens 3" Wall Plate Termination (2ZDWPT35)

    Z-Flex Z-Dens 3" Wall Plate Termination (2ZDWPT35)

    Single Walled. For termination purposes Learn More

    Regular Price: $76.53

    Special Price: $61.23

    Details

Items 1 to 10 of 51 total

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  1. Z-Dens 2" Single-Wall Venting (13)
  2. Z-Dens 2"/4" Concentric Vent (3)
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  4. Z-Dens 3"/5" Concentric Vent (2)
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  7. Z-Dens 5" Single-Wall Venting (4)
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  1. Polypropylene (51)
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  1. Z-Flex Z-Dens Polypropylene (51)
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