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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 41 to 50 of 267 total

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  1. Z-Flex Z-Dens 3" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT3)

    Z-Flex Z-Dens 3" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT3)

    Z-Flex Z-Dens 3" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT3)

    Single Walled. For conversion purposes Learn More

    Regular Price: $268.42

    Special Price: $214.74

    Details
  2. Z-Flex Z-Dens 2" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT2)

    Z-Flex Z-Dens 2" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT2)

    Z-Flex Z-Dens 2" Telescopic Flexible Ceiling Plate to Concentric - Ventilated Chimney Air (2ZDCPCT2)

    Single Walled. For conversion purposes Learn More

    Regular Price: $268.42

    Special Price: $214.74

    Details
  3. 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
  4. Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Single Walled Learn More

    Regular Price: $255.37

    Special Price: $204.30

    Details
  5. Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Single Walled Learn More

    Regular Price: $255.37

    Special Price: $204.30

    Details
  6. 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
  7. Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Z-Flex Z-Dens 6" Adaptor - Weil McLain Slim Fit (SF1000) 10" to 6" - Stainless Steel (2ZDWASF1006)

    Adaptor for Weil Mclain Learn More

    Regular Price: $241.94

    Special Price: $193.56

    Details
  8. Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Single Walled. Low-profile alternative Learn More

    Regular Price: $241.03

    Special Price: $192.82

    Details
  9. Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Single Walled Learn More

    Regular Price: $238.73

    Special Price: $190.99

    Details
  10. Z-Flex Z-Dens 3" Flexible Kit Extension (2ZDFKX3)

    Z-Flex Z-Dens 3" Flexible Kit Extension (2ZDFKX3)

    Z-Flex Z-Dens 3" Flexible Kit Extension (2ZDFKX3)

    For lengthening purposes Learn More

    Regular Price: $214.58

    Special Price: $171.67

    Details

Items 41 to 50 of 267 total

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Price
  1. $0.00 - $999.99 (265)
  2. $1,000.00 and above (2)
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  1. Black (31)
  2. Brown (6)
  3. Green (1)
  4. Grey (4)
  5. White (114)
  6. Silver (111)
Application
  1. Commercial,Residential (265)
Venting Type
  1. Kits (29)
  2. Straight Pipes (50)
  3. Elbows (19)
  4. Condensation Drains (10)
  5. Adaptors (39)
  6. Increasers (8)
  7. Reducers (6)
  8. Terminations (21)
  9. Roof Flashings (5)
  10. Supports (75)
Product Type
  1. Z-Dens 2" Single-Wall Venting (60)
  2. Z-Dens 2"/4" Concentric Vent (13)
  3. Z-Dens 3" Single-Wall Venting (58)
  4. Z-Dens 3"/5" Concentric Vent (12)
  5. Z-Dens 4" Single-Wall Venting (45)
  6. Z-Dens 4"/6" Concentric Vent (10)
  7. Z-Dens 5" Single-Wall Venting (19)
  8. Z-Dens 6" Single-Wall Venting (27)
  9. Z-Dens 8" Single-Wall Venting (20)
Material of Construction
  1. Polypropylene (265)
Product Sub Type
  1. Concentric (58)
  2. Flexible (53)
  3. Rigid (154)
Venting Style
  1. Z-Flex Z-Dens Polypropylene (265)
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