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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 6" Rigid/Concentric Gasket - Brown (2ZDG8V)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG8V)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG8V)

    Requires gasket lubricant Learn More

    Regular Price: $75.15

    Special Price: $60.12

    Details
  2. Z-Flex 7" Fixed Stainless Steel 90 Degree Elbow (2RE90XX07)

    Z-Flex 7" Fixed Stainless Steel 90 Degree Elbow (2RE90XX07)

    Z-Flex 7" Fixed Stainless Steel 90 Degree Elbow (2RE90XX07)

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

    Regular Price: $75.19

    Special Price: $60.15

    Details
  3. Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVSPA04)

    Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVSPA04)

    Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVSPA04)

    Adjusts from 11.5 Inches to 15 Inches Learn More

    Regular Price: $75.38

    Special Price: $60.31

    Details
  4. Z-Flex 6" to 7" Stainless Steel Increaser (2IN6I7X)

    Z-Flex 6" to 7" Stainless Steel Increaser (2IN6I7X)

    Z-Flex 6" to 7" Stainless Steel Increaser (2IN6I7X)

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

    Regular Price: $75.39

    Special Price: $60.32

    Details
  5. Z-Flex 7" to 6" Stainless Steel Reducer (2RD7R6X)

    Z-Flex 7" to 6" Stainless Steel Reducer (2RD7R6X)

    Z-Flex 7" to 6" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $75.39

    Special Price: $60.32

    Details
  6. Z-Flex 3" Stainless Steel Chimney Flashing (2ZSCSXX03)

    Z-Flex 3" Stainless Steel Chimney Flashing (2ZSCSXX03)

    Z-Flex 3" Stainless Steel Chimney Flashing (2ZSCSXX03)

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

    Regular Price: $75.49

    Special Price: $60.39

    Details
  7. Z-Flex 5" Nose Cone (2NCXXX05)

    Z-Flex 5" Nose Cone (2NCXXX05)

    Z-Flex 5" Nose Cone (2NCXXX05)

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

    Regular Price: $75.59

    Special Price: $60.48

    Details
  8. Z-Flex Z-Vent 4" Wall Thimble Stainless Steel Venting (2SVSWTF04)

    Z-Flex Z-Vent 4" Wall Thimble Stainless Steel Venting (2SVSWTF04)

    Z-Flex Z-Vent 4" Wall Thimble Stainless Steel Venting (2SVSWTF04) Learn More

    Regular Price: $76.00

    Special Price: $60.81

    Details
  9. Z-Flex 7" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0702)

    Z-Flex 7" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0702)

    Z-Flex 7" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0702)

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

    Regular Price: $76.00

    Special Price: $60.81

    Details
  10. Z-Flex Z-Dens 2"/4" 2.6" to 8.3" Concentric Adjustable Pipe - White (2ZDCAP24)

    Z-Flex Z-Dens 2"/4" 2.6" to 8.3" Concentric Adjustable Pipe - White (2ZDCAP24)

    Z-Flex Z-Dens 2"/4" 2.6" to 8.3" Concentric Adjustable Pipe - White (2ZDCAP24)

    Concentric. Can be cut and adjusted to length Learn More

    Regular Price: $76.19

    Special Price: $60.95

    Details

Items 1 to 10 of 1976 total

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