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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 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

    Z-Flex 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

    Z-Flex 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

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

    Regular Price: $1,229.09

    Special Price: $983.26

    Details
  2. Z-Flex Z-Vent 30" x 12" Stainless Steel Vent Pipe (2SVDP3001)

    Z-Flex Z-Vent 30" x 12" Stainless Steel Vent Pipe (2SVDP3001)

    Z-Flex Z-Vent 30" x 12" Stainless Steel Vent Pipe (2SVDP3001)

    Double Walled. Can be cut to length Learn More

    Regular Price: $1,228.32

    Special Price: $982.65

    Details
  3. Z-Flex 8" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0850)

    Z-Flex 8" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0850)

    Z-Flex 8" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0850)

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

    Regular Price: $1,226.19

    Special Price: $980.95

    Details
  4. Z-Flex 9" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0940)

    Z-Flex 9" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0940)

    Z-Flex 9" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0940)

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

    Regular Price: $1,222.68

    Special Price: $978.14

    Details
  5. Z-Flex 8" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0820)

    Z-Flex 8" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0820)

    Z-Flex 8" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0820)

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

    Regular Price: $1,221.78

    Special Price: $977.43

    Details
  6. Z-Flex Z-Vent 22" Stainless Steel Adjustable Vent Pipe (2SVDPA22)

    Z-Flex Z-Vent 22" Stainless Steel Adjustable Vent Pipe (2SVDPA22)

    Z-Flex Z-Vent 22" Stainless Steel Adjustable Vent Pipe (2SVDPA22)

    Adjusts from 11.22 Inches to 122 Inches Learn More

    Regular Price: $1,209.23

    Special Price: $967.38

    Details
  7. Z-Flex Z-Vent 22" x 2' Stainless Steel Vent Pipe (2SVDP2202)

    Z-Flex Z-Vent 22" x 2' Stainless Steel Vent Pipe (2SVDP2202)

    Z-Flex Z-Vent 22" x 2' Stainless Steel Vent Pipe (2SVDP2202)

    Double Walled. Can be cut to length Learn More

    Regular Price: $1,209.23

    Special Price: $967.38

    Details
  8. Z-Flex Z-Vent 24" Low Resistance Rain Cap Stainless Steel Venting (2SVDRC24)

    Z-Flex Z-Vent 24" Low Resistance Rain Cap (2SVDRC24)

    Z-Flex Z-Vent 24" Low Resistance Rain Cap (2SVDRC24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,208.55

    Special Price: $966.84

    Details
  9. Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    For vertical installations Learn More

    Regular Price: $1,204.07

    Special Price: $963.26

    Details
  10. Z-Flex 7" x 50' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0750)

    Z-Flex 7" x 50' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0750)

    Z-Flex 7" x 50' Length of Aluminum 2-Ply Liner (2GAXXXX0750)

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

    Regular Price: $1,193.96

    Special Price: $955.18

    Details

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