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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 9" Wall Thimble Stainless Steel Venting (2SVDWT09)

    Z-Flex Z-Vent 9" Wall Thimble (2SVDWT09)

    Z-Flex Z-Vent 9" Wall Thimble (2SVDWT09)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $200.19

    Special Price: $160.15

    Details
  2. Z-Flex Z-Vent 10" Firestop with Support Stainless Steel Venting (2SVDFSS10)

    Z-Flex Z-Vent 10" Firestop with Support (2SVDFSS10)

    Z-Flex Z-Vent 10" Firestop with Support (2SVDFSS10)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $200.62

    Special Price: $160.49

    Details
  3. Z-Flex 8" x 5' Additional Length of Insul-Vent Pipe (2INSGAC0805)

    Z-Flex 8" x 5' Additional Length of Insul-Vent Pipe (2INSGAC0805)

    Z-Flex 8" x 5' Additional Length of Insul-Vent Pipe (2INSGAC0805)

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

    Regular Price: $200.70

    Special Price: $160.55

    Details
  4. Z-Flex 6" x 3' Single Wall Oil Vent Connector Kit (2OVSKIT0603)

    Z-Flex 6" x 3' Single Wall Oil Vent Connector Kit (2OVSKIT0603)

    Z-Flex 6" x 3' Single Wall Oil Vent Connector Kit (2OVSKIT0603)

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

    Regular Price: $200.94

    Special Price: $160.76

    Details
  5. Z-Flex 6" x 15' Gas Single Vent Kit (2SVKXXX0615)

    Z-Flex 6" x 15' Gas Single Vent Kit (2SVKXXX0615)

    Z-Flex 6" x 15' Gas Single Vent Kit (2SVKXXX0615)

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

    Regular Price: $201.45

    Special Price: $161.16

    Details
  6. Z-Flex 5" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0509)

    Z-Flex 5" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0509)

    Z-Flex 5" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0509)

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

    Regular Price: $201.51

    Special Price: $161.22

    Details
  7. Z-Flex 10" Lock'N Go Tee (2ZFTCB10)

    Z-Flex 10" Lock'N Go Tee (2ZFTCB10)

    Z-Flex 10" Lock'N Go Tee (2ZFTCB10)

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

    Regular Price: $202.37

    Special Price: $161.90

    Details
  8. Z-Flex 10" Z-Lok Tee (2ZFTJ10)

    Z-Flex 10" Z-Lok Tee (2ZFTJ10)

    Z-Flex 10" Z-Lok Tee (2ZFTJ10)

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

    Regular Price: $202.37

    Special Price: $161.90

    Details
  9. Z-Flex Z-Vent 16" Firestop Spacer Stainless Steel Venting (2SVDFS16)

    Z-Flex Z-Vent 16" Firestop Spacer (2SVDFS16)

    Z-Flex Z-Vent 16" Firestop Spacer (2SVDFS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $202.49

    Special Price: $161.99

    Details
  10. Z-Flex Z-Vent 8" Straight Tee (2SVST08)

    Z-Flex Z-Vent 8" Straight Tee (2SVST08)

    Z-Flex Z-Vent 8" Straight Tee (2SVST08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $202.58

    Special Price: $162.07

    Details

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Application
  1. Commercial,Residential (45)
Material of Construction
  1. Aluminum (13)
  2. Ceramic Fiber (1)
  3. Stainless Steel (4)
  4. Stainless Steel AL29-4C (26)
  5. Polypropylene (1)
Product Sub Type
  1. Concentric (1)
  2. Flexible (15)
  3. Rigid (29)
Product Type
  1. Z-Dens 4" Single-Wall Venting (1)
  2. Z-Flex 3" Chimney Liner (1)
  3. Z-Flex 4" Chimney Liner (3)
  4. Z-Flex 5" Chimney Liner (2)
  5. Z-Flex 6" Chimney Liner (5)
  6. Z-Flex 8" Chimney Liner (4)
  7. Z-Flex 9" Chimney Liner (1)
  8. Z-Flex 10" Chimney Liner (2)
  9. Z-Vent 4" Single-Wall Venting (1)
  10. Z-Vent 5" Single-Wall Venting (1)
  11. Z-Vent 6" Single-Wall Venting (1)
  12. Z-Vent 7" Single-Wall Venting (1)
  13. Z-Vent 8" Single-Wall Venting (4)
  14. Z-Vent 12" Single-Wall Vent (2)
  15. Z-Vent 14" Single-Wall Vent (1)
  16. Z-Vent 16" Single-Wall Vent (1)
  17. Z-Vent 18" Single-Wall Vent (1)
  18. Z-Vent 4" Double-Wall Vent (3)
  19. Z-Vent 5" Double-Wall Vent (1)
  20. Z-Vent 6" Double-Wall Vent (1)
  21. Z-Vent 7" Double-Wall Vent (2)
  22. Z-Vent 9" Double-Wall Vent (1)
  23. Z-Vent 10" Double-Wall Vent (2)
  24. Z-Vent 12" Double-Wall Vent (2)
  25. Z-Vent 16" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (18)
  2. Z-Flex Z-Dens Polypropylene (1)
  3. Z-Flex Z-Vent Dble-Wall SS (13)
  4. Z-Flex Z-Vent Single-Wall SS (13)
Venting Type
  1. Kits (7)
  2. Straight Pipes (2)
  3. Elbows (6)
  4. Tees (3)
  5. Tee Caps (3)
  6. Adaptors (2)
  7. Wall Thimbles (2)
  8. Terminations (2)
  9. Inspection Ports (1)
  10. Roof Flashings (1)
  11. Supports (4)
  12. Rain Caps (3)
  13. Chimney Liner Connectors (1)
  14. Intake Air Ducts (1)
  15. Chimney Liner Lengths (6)
  16. Insulating Blankets (1)
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