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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 8" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0809)

    Z-Flex 8" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0809)

    Z-Flex 8" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0809)

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

    Regular Price: $287.63

    Special Price: $230.10

    Details
  2. Z-Flex 5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0535)

    Z-Flex 5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0535)

    Z-Flex 5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0535)

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

    Regular Price: $287.76

    Special Price: $230.22

    Details
  3. Z-Flex 3" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0312)

    Z-Flex 3" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0312)

    Z-Flex 3" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0312)

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

    Regular Price: $287.82

    Special Price: $230.26

    Details
  4. Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Z-Flex Z-Dens 6" Test Port - White (2ZDTP8)

    Single Walled. For gas analysis. Learn More

    Regular Price: $288.10

    Special Price: $230.48

    Details
  5. Z-Flex 7" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0705)

    Z-Flex 7" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0705)

    Z-Flex 7" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0705)

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

    Regular Price: $288.31

    Special Price: $230.64

    Details
  6. Z-Flex 7" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0705)

    Z-Flex 7" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0705)

    Z-Flex 7" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0705)

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

    Regular Price: $288.31

    Special Price: $230.64

    Details
  7. Z-Flex Z-Vent 8" x 4' Stainless Steel Vent Pipe (2SVEP0804)

    Z-Flex Z-Vent 8" x 4' Stainless Steel Vent Pipe (2SVEP0804)

    Z-Flex Z-Vent 8" x 4' Stainless Steel Vent Pipe (2SVEP0804)

    Single Walled. Can be cut to length Learn More

    Regular Price: $288.36

    Special Price: $230.69

    Details
  8. Z-Flex Z-Vent 12" Wall Thimble Stainless Steel Venting (2SVDWT12)

    Z-Flex Z-Vent 12" Wall Thimble (2SVDWT12)

    Z-Flex Z-Vent 12" Wall Thimble (2SVDWT12)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $288.60

    Special Price: $230.89

    Details
  9. Z-Flex 3" x 15' Insul-Liner Kit (2GIAKXX0315)

    Z-Flex 3" x 15' Insul-Liner Kit (2GIAKXX0315)

    Z-Flex 3" x 15' Insul-Liner Kit (2GIAKXX0315)

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

    Regular Price: $289.04

    Special Price: $231.24

    Details
  10. Z-Flex 4" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0418)

    Z-Flex 4" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0418)

    Z-Flex 4" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0418)

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

    Regular Price: $292.36

    Special Price: $233.90

    Details

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Color
  1. White (3)
  2. Silver (22)
Material of Construction
  1. Aluminum (8)
  2. Stainless Steel (2)
  3. Stainless Steel AL29-4C (10)
  4. Polypropylene (5)
Product Sub Type
  1. Concentric (2)
  2. Flexible (10)
  3. Rigid (13)
Product Type
  1. Z-Dens 2"/4" Concentric Vent (1)
  2. Z-Dens 3" Single-Wall Venting (1)
  3. Z-Dens 8" Single-Wall Venting (3)
  4. Z-Flex 3" Chimney Liner (3)
  5. Z-Flex 4" Chimney Liner (1)
  6. Z-Flex 5" Chimney Liner (2)
  7. Z-Flex 7" Chimney Liner (3)
  8. Z-Flex 8" Chimney Liner (1)
  9. Z-Vent 8" Single-Wall Venting (1)
  10. Z-Vent 9" Single-Wall Venting (1)
  11. Z-Vent 16" Single-Wall Vent (1)
  12. Z-Vent 5" Double-Wall Vent (1)
  13. Z-Vent 6" Double-Wall Vent (1)
  14. Z-Vent 10" Double-Wall Vent (2)
  15. Z-Vent 12" Double-Wall Vent (1)
  16. Z-Vent 16" Double-Wall Vent (1)
  17. Z-Vent 26" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (10)
  2. Z-Flex Z-Dens Polypropylene (5)
  3. Z-Flex Z-Vent Dble-Wall SS (7)
  4. Z-Flex Z-Vent Single-Wall SS (3)
Venting Type
  1. Kits (8)
  2. Straight Pipes (4)
  3. Elbows (1)
  4. Wall Thimbles (2)
  5. Terminations (1)
  6. Roof Flashings (1)
  7. Supports (5)
  8. Chimney Liner Lengths (3)
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