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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 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
  2. Z-Flex Z-Vent 8" Storm Collar Stainless Steel Venting (2SVSLS08)

    Z-Flex Z-Vent 8" Storm Collar (2SVSLS08)

    Z-Flex Z-Vent 8" Storm Collar (2SVSLS08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $86.66

    Special Price: $69.33

    Details
  3. 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
  4. Z-Flex Z-Vent 3" Storm Collar Stainless Steel Venting (2SVDLS03)

    Z-Flex Z-Vent 3" Storm Collar (2SVDLS03)

    Z-Flex Z-Vent 3" Storm Collar (2SVDLS03)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $84.96

    Special Price: $67.97

    Details
  5. Z-Flex Z-Vent 5" Storm Collar Stainless Steel Venting (2SVDLS05)

    Z-Flex Z-Vent 5" Storm Collar (2SVDLS05)

    Z-Flex Z-Vent 5" Storm Collar (2SVDLS05)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $84.94

    Special Price: $67.95

    Details
  6. Z-Flex Z-Vent 6" Storm Collar Stainless Steel Venting (2SVDLS06)

    Z-Flex Z-Vent 6" Storm Collar (2SVDLS06)

    Z-Flex Z-Vent 6" Storm Collar (2SVDLS06)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $84.26

    Special Price: $67.40

    Details
  7. 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
  8. Z-Flex Z-Vent 4" Storm Collar Stainless Steel Venting (2SVDLS04)

    Z-Flex Z-Vent 4" Storm Collar (2SVDLS04)

    Z-Flex Z-Vent 4" Storm Collar (2SVDLS04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $80.70

    Special Price: $64.56

    Details
  9. Z-Flex Z-Vent 12" Clamp Band Stainless Steel Venting (2SVSCB12)

    Z-Flex Z-Vent 12" Clamp Band (2SVSCB12)

    Z-Flex Z-Vent 12" Clamp Band (2SVSCB12)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $79.15

    Special Price: $63.32

    Details
  10. Z-Flex Z-Vent 24" Guy Band Stainless Steel Venting (2SVDGB24)

    Z-Flex Z-Vent 24" Guy Band (2SVDGB24)

    Z-Flex Z-Vent 24" Guy Band (2SVDGB24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $76.95

    Special Price: $61.56

    Details

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  1. Remove This Item Price: $60.00 - $69.99
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Application
  1. Commercial,Residential (14)
Color
  1. Brown (1)
  2. White (3)
  3. Silver (10)
Material of Construction
  1. Stainless Steel AL29-4C (8)
  2. Polypropylene (6)
Product Sub Type
  1. Concentric (1)
  2. Flexible (2)
  3. Rigid (11)
Product Type
  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 2"/4" Concentric Vent (1)
  3. Z-Dens 3" Single-Wall Venting (2)
  4. Z-Dens 4" Single-Wall Venting (1)
  5. Z-Dens 8" Single-Wall Venting (1)
  6. Z-Vent 3" Single-Wall Venting (1)
  7. Z-Vent 8" Single-Wall Venting (1)
  8. Z-Vent 12" Single-Wall Vent (1)
  9. Z-Vent 3" Double-Wall Vent (1)
  10. Z-Vent 4" Double-Wall Vent (1)
  11. Z-Vent 5" Double-Wall Vent (1)
  12. Z-Vent 6" Double-Wall Vent (1)
  13. Z-Vent 24" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Z-Dens Polypropylene (6)
  2. Z-Flex Z-Vent Dble-Wall SS (5)
  3. Z-Flex Z-Vent Single-Wall SS (3)
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