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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.

Items 41 to 50 of 442 total

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  1. Z-Flex 10" Stainless Steel Oval to Round Adapter (2ZRORAX10)

    Z-Flex 10" Stainless Steel Oval to Round Adapter (2ZRORAX10)

    Z-Flex 10" Stainless Steel Oval to Round Adapter (2ZRORAX10)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $135.45

    Special Price: $108.36

    Details
  2. Z-Flex 10" Stainless Steel Round to Oval Adapter (2ZRROAX10)

    Z-Flex 10" Stainless Steel Round to Oval Adapter (2ZRROAX10)

    Z-Flex 10" Stainless Steel Round to Oval Adapter (2ZRROAX10)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $135.45

    Special Price: $108.36

    Details
  3. Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Z-Flex Z-Vent 3" Single Wall to Double Wall Adaptor (2SVDSA03)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $136.98

    Special Price: $109.58

    Details
  4. Z-Flex Z-Vent 3" to 5" Concentric Increaser Stainless Steel Venting (2SVDI0305)

    Z-Flex Z-Vent 3" to 5" Concentric Increaser (2SVDI0305)

    Z-Flex Z-Vent 3" to 5" Concentric Increaser (2SVDI0305)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $137.00

    Special Price: $109.60

    Details
  5. Z-Flex 8" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0803)

    Z-Flex 8" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0803)

    Z-Flex 8" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0803)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $137.17

    Special Price: $109.74

    Details
  6. Z-Flex Z-Vent 9" Firestop Spacer Stainless Steel Venting (2SVDFS09)

    Z-Flex Z-Vent 9" Firestop Spacer (2SVDFS09)

    Z-Flex Z-Vent 9" Firestop Spacer (2SVDFS09)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $138.06

    Special Price: $110.45

    Details
  7. Z-Flex 5" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0535)

    Z-Flex 5" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0535)

    Z-Flex 5" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0535)

    Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $138.23

    Special Price: $110.58

    Details
  8. Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Single Walled. For vertical/horizontal installation Learn More

    Regular Price: $138.43

    Special Price: $110.73

    Details
  9. Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Z-Flex Z-Dens 2" Adjustable Flashing (Small) (2ZDAF2)

    Single Walled. For roof usage Learn More

    Regular Price: $138.83

    Special Price: $111.07

    Details
  10. Z-Flex 3" x 18' Gas Single Vent Kit (2SVKXXX0318)

    Z-Flex 3" x 18' Gas Single Vent Kit (2SVKXXX0318)

    Z-Flex 3" x 18' Gas Single Vent Kit (2SVKXXX0318)

    Flexible Connector Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $138.84

    Special Price: $111.08

    Details

Items 41 to 50 of 442 total

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  48. Z-Vent 30" Double-Wall Vent (1)
  49. Z-Vent 32" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (159)
  2. Z-Flex Z-Dens Polypropylene (40)
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