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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" Flexible Ring (2ZDFR4)

    Z-Flex Z-Dens 4" Flexible Ring (2ZDFR4)

    Z-Flex Z-Dens 4" Flexible Ring (2ZDFR4)

    Single Walled. Learn More

    Regular Price: $49.55

    Special Price: $39.65

    Details
  2. Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Single Walled. Can be cut to length Learn More

    Regular Price: $49.40

    Special Price: $39.53

    Details
  3. Z-Flex Z-Dens 3" Flexible Ring (2ZDFR3)

    Z-Flex Z-Dens 3" Flexible Ring (2ZDFR3)

    Z-Flex Z-Dens 3" Flexible Ring (2ZDFR3)

    Single Walled. Learn More

    Regular Price: $48.45

    Special Price: $38.77

    Details
  4. Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Single Walled. For gas analysis. Learn More

    Regular Price: $48.36

    Special Price: $38.69

    Details
  5. Z-Flex Z-Dens 5" Concentric Reducer - 4" to 5" - White (2ZDR54)

    Z-Flex Z-Dens 5" Concentric Reducer - 4" to 5" - White (2ZDR54)

    Z-Flex Z-Dens 5" Concentric Reducer - 4" to 5" - White (2ZDR54)

    Single Walled. Can be cut to length Learn More

    Regular Price: $47.41

    Special Price: $37.94

    Details
  6. Z-Flex Z-Dens 3" Concentric Reducer - 4" to 3" - White (2ZDR43)

    Z-Flex Z-Dens 3" Concentric Reducer - 4" to 3" - White (2ZDR43)

    Z-Flex Z-Dens 3" Concentric Reducer - 4" to 3" - White (2ZDR43)

    Single Walled. Can be cut to length Learn More

    Regular Price: $47.41

    Special Price: $37.94

    Details
  7. Z-Flex Z-Dens 2" x 72" Polypropylene Vent Pipe - White (2ZDP272)

    Z-Flex Z-Dens 2" x 72" Polypropylene Vent Pipe - White (2ZDP272)

    Z-Flex Z-Dens 2" x 72" Polypropylene Vent Pipe - White (2ZDP272)

    Single Walled. Can be cut to length Learn More

    Regular Price: $47.09

    Special Price: $37.67

    Details
  8. Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - White (2ZDP324)

    Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - White (2ZDP324)

    Z-Flex Z-Dens 3" x 24" Polypropylene Vent Pipe - White (2ZDP324)

    Single Walled. Can be cut to length Learn More

    Regular Price: $46.29

    Special Price: $37.03

    Details
  9. Z-Flex Z-Dens 2"/4" 45 Degree Concentric Elbow - White (2ZDCE2445)

    Z-Flex Z-Dens 2"/4" 45 Degree Concentric Elbow - White (2ZDCE2445)

    Z-Flex Z-Dens 2"/4" 45 Degree Concentric Elbow - White (2ZDCE2445)

    Concentric. Can be cut to length Learn More

    Regular Price: $45.91

    Special Price: $36.73

    Details
  10. Z-Flex Z-Dens 3" 87 Degree Elbow - White (2ZDE387)

    Z-Flex Z-Dens 3" 87 Degree Elbow - White (2ZDE387)

    Z-Flex Z-Dens 3" 87 Degree Elbow - White (2ZDE387)

    Single Walled. Can be cut to length Learn More

    Regular Price: $45.72

    Special Price: $36.58

    Details

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Application
  1. Commercial,Residential (19)
Material of Construction
  1. Polypropylene (19)
Product Sub Type
  1. Concentric (5)
  2. Flexible (3)
  3. Rigid (11)
Product Type
  1. Z-Dens 2" Single-Wall Venting (5)
  2. Z-Dens 2"/4" Concentric Vent (1)
  3. Z-Dens 3" Single-Wall Venting (7)
  4. Z-Dens 3"/5" Concentric Vent (1)
  5. Z-Dens 4" Single-Wall Venting (2)
  6. Z-Dens 4"/6" Concentric Vent (1)
  7. Z-Dens 5" Single-Wall Venting (2)
Venting Style
  1. Z-Flex Z-Dens Polypropylene (19)
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  1. Straight Pipes (8)
  2. Elbows (4)
  3. Increasers (1)
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