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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 16" Storm Collar Stainless Steel Venting (2SVDLS16)

    Z-Flex Z-Vent 16" Storm Collar (2SVDLS16)

    Z-Flex Z-Vent 16" Storm Collar (2SVDLS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $299.68

    Special Price: $239.75

    Details
  2. Z-Flex Z-Vent 14" Wall Thimble Stainless Steel Venting (2SVSWT14)

    Z-Flex Z-Vent 16" Wall Thimble (2SVSWT16)

    Z-Flex Z-Vent 16" Wall Thimble (2SVSWT16)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $299.68

    Special Price: $239.75

    Details
  3. Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    Z-Flex Z-Dens 2"/4" Horizontal Termination Guard - Stainless Steel (2ZDTG4)

    For termination protection Learn More

    Regular Price: $298.54

    Special Price: $238.83

    Details
  4. Z-Flex 3" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0306)

    Z-Flex 3" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0306)

    Z-Flex 3" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0306)

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

    Regular Price: $298.17

    Special Price: $238.54

    Details
  5. Z-Flex 5" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0515)

    Z-Flex 5" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0515)

    Z-Flex 5" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0515)

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

    Regular Price: $297.83

    Special Price: $238.27

    Details
  6. Z-Flex Z-Vent 10" Base Support Stainless Steel Venting (2SVDBS10)

    Z-Flex Z-Vent 10" Base Support (2SVDBS10)

    Z-Flex Z-Vent 10" Base Support (2SVDBS10)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $296.96

    Special Price: $237.58

    Details
  7. Z-Flex Z-Vent 5" Wall Support Stainless Steel Venting (2SVDWS05)

    Z-Flex Z-Vent 5" Wall Support (2SVDWS05)

    Z-Flex Z-Vent 5" Wall Support (2SVDWS05)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $296.76

    Special Price: $237.41

    Details
  8. Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Z-Flex Z-Dens 3" Concentric Horizontal Kit (2ZDHK3)

    Single Walled. For horizontal piping Learn More

    Regular Price: $296.47

    Special Price: $237.18

    Details
  9. Z-Flex Z-Vent 9" Flashing 0-30 Degrees Stainless Steel Venting (2SVSFA09)

    Z-Flex Z-Vent 9" Flashing 0-30 Degrees (2SVSFA09)

    Z-Flex Z-Vent 9" Flashing 0-30 Degrees (2SVSFA09)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $296.45

    Special Price: $237.16

    Details
  10. Z-Flex Z-Vent 10" x 12" Stainless Steel Vent Pipe (2SVDP1001)

    Z-Flex Z-Vent 10" x 12" Stainless Steel Vent Pipe (2SVDP1001)

    Z-Flex Z-Vent 10" x 12" Stainless Steel Vent Pipe (2SVDP1001)

    Double Walled. Can be cut to length Learn More

    Regular Price: $295.55

    Special Price: $236.44

    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)
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