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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-Vent 4" x 12" Stainless Steel Vent Pipe (2SVDP0401)

    Z-Flex Z-Vent 4" x 12" Stainless Steel Vent Pipe (2SVDP0401)

    Z-Flex Z-Vent 4" x 12" Stainless Steel Vent Pipe (2SVDP0401)

    Double Walled. Can be cut to length Learn More

    Regular Price: $134.68

    Special Price: $107.74

    Details
  2. Z-Flex Z-Vent 4" Firestop with Support Stainless Steel Venting (2SVDFSS04)

    Z-Flex Z-Vent 4" Firestop with Support (2SVDFSS04)

    Z-Flex Z-Vent 4" Firestop with Support (2SVDFSS04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $148.12

    Special Price: $118.50

    Details
  3. Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Z-Flex Z-Vent 4" Single Wall to Double Wall Adaptor (2SVDSA04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $156.11

    Special Price: $124.89

    Details
  4. Z-Flex Z-Vent 4" Flat Flashing Stainless Steel Venting (2SVDF04)

    Z-Flex Z-Vent 4" Flat Flashing (2SVDF04)

    Z-Flex Z-Vent 4" Flat Flashing (2SVDF04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $159.47

    Special Price: $127.58

    Details
  5. Z-Flex Z-Vent 4" Flashing 0-30 Degrees Stainless Steel Venting (2SVDFA04)

    Z-Flex Z-Vent 4" Flashing 0-30 Degrees (2SVDFA04)

    Z-Flex Z-Vent 4" Flashing 0-30 Degrees (2SVDFA04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $167.47

    Special Price: $133.98

    Details
  6. Z-Flex Z-Vent 4" to 5" Concentric Increaser Stainless Steel Venting (2SVDI0405)

    Z-Flex Z-Vent 4" to 5" Concentric Increaser (2SVDI0405)

    Z-Flex Z-Vent 4" to 5" Concentric Increaser (2SVDI0405)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $168.42

    Special Price: $134.73

    Details
  7. Z-Flex Z-Vent 4" Low Resistance Rain Cap Stainless Steel Venting (2SVDRC04)

    Z-Flex Z-Vent 4" Low Resistance Rain Cap (2SVDRC04)

    Z-Flex Z-Vent 4" Low Resistance Rain Cap (2SVDRC04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $174.37

    Special Price: $139.50

    Details
  8. Z-Flex Z-Vent 4" to 6" Concentric Increaser Stainless Steel Venting (2SVDI0406)

    Z-Flex Z-Vent 4" to 6" Concentric Increaser (2SVDI0406)

    Z-Flex Z-Vent 4" to 6" Concentric Increaser (2SVDI0406)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $178.77

    Special Price: $143.01

    Details
  9. Z-Flex Z-Vent 4" Rain Cap with Wind Band Stainless Steel Venting (2SVDRCX04)

    Z-Flex Z-Vent 4" Rain Cap with Wind Band (2SVDRCX04)

    Z-Flex Z-Vent 4" Rain Cap with Wind Band (2SVDRCX04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $183.55

    Special Price: $146.84

    Details
  10. Z-Flex Z-Vent 4" Inspection Port Length Stainless Steel Venting (2SVDPRT04.5)

    Z-Flex Z-Vent 4" Inspection Port Length (2SVDPRT04.5)

    Z-Flex Z-Vent 4" Inspection Port Length (2SVDPRT04.5)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $185.60

    Special Price: $148.48

    Details

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