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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.

38 Item(s)

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  1. Z-Flex 6" x 30' All Fuel Insert Kit (2OILKTX0630I)

    Z-Flex 6" x 30' All Fuel Insert Kit (2OILKTX0630I)

    Z-Flex 6" x 30' All Fuel Insert Kit (2OILKTX0630I)

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

    Regular Price: $1,166.23

    Special Price: $932.98

    Details
  2. Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

    Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

    Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

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

    Regular Price: $1,143.33

    Special Price: $914.66

    Details
  3. Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

    Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

    Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

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

    Regular Price: $1,082.54

    Special Price: $866.04

    Details
  4. Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

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

    Regular Price: $1,011.45

    Special Price: $809.15

    Details
  5. Z-Flex 6" x 25' All Fuel Insert Kit (2OILKTX0625I)

    Z-Flex 6" x 25' All Fuel Insert Kit (2OILKTX0625I)

    Z-Flex 6" x 25' All Fuel Insert Kit (2OILKTX0625I)

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

    Regular Price: $985.80

    Special Price: $788.65

    Details
  6. Z-Flex 6" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0618)

    Z-Flex 6" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0618)

    Z-Flex 6" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0618)

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

    Regular Price: $922.56

    Special Price: $738.06

    Details
  7. Z-Flex 6" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0615)

    Z-Flex 6" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0615)

    Z-Flex 6" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0615)

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

    Regular Price: $902.65

    Special Price: $722.12

    Details
  8. Z-Flex 6" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0650)

    Z-Flex 6" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0650)

    Z-Flex 6" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0650)

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

    Regular Price: $767.43

    Special Price: $613.94

    Details
  9. Z-Flex 6" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0645)

    Z-Flex 6" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0645)

    Z-Flex 6" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0645)

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

    Regular Price: $741.46

    Special Price: $593.17

    Details
  10. Z-Flex 6" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0615)

    Z-Flex 6" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0615)

    Z-Flex 6" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0615)

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

    Regular Price: $731.37

    Special Price: $585.10

    Details
  11. Z-Flex 6" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0618)

    Z-Flex 6" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0618)

    Z-Flex 6" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0618)

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

    Regular Price: $729.12

    Special Price: $583.29

    Details
  12. Z-Flex 6" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0640)

    Z-Flex 6" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0640)

    Z-Flex 6" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0640)

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

    Regular Price: $716.93

    Special Price: $573.55

    Details
  13. Z-Flex 6" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0612)

    Z-Flex 6" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0612)

    Z-Flex 6" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0612)

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

    Regular Price: $672.68

    Special Price: $538.14

    Details
  14. Z-Flex 6" x 15' Insul-Liner Kit (2GIAKXX0615)

    Z-Flex 6" x 15' Insul-Liner Kit (2GIAKXX0615)

    Z-Flex 6" x 15' Insul-Liner Kit (2GIAKXX0615)

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

    Regular Price: $623.90

    Special Price: $499.11

    Details
  15. Z-Flex 6" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0618)

    Z-Flex 6" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0618)

    Z-Flex 6" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0618)

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

    Regular Price: $558.04

    Special Price: $446.43

    Details
  16. Z-Flex 6" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0612)

    Z-Flex 6" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0612)

    Z-Flex 6" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0612)

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

    Regular Price: $536.25

    Special Price: $429.00

    Details
  17. Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

    Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

    Z-Flex 6" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0609)

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

    Regular Price: $521.26

    Special Price: $417.00

    Details
  18. Z-Flex 6" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0609)

    Z-Flex 6" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0609)

    Z-Flex 6" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0609)

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

    Regular Price: $424.33

    Special Price: $339.47

    Details
  19. Z-Flex 6" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0635)

    Z-Flex 6" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0635)

    Z-Flex 6" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0635)

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

    Regular Price: $369.87

    Special Price: $295.90

    Details
  20. Z-Flex 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

    Z-Flex 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

    Z-Flex 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

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

    Regular Price: $356.89

    Special Price: $285.52

    Details
  21. Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

    Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

    Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

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

    Regular Price: $352.79

    Special Price: $282.22

    Details
  22. Z-Flex 6" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0615)

    Z-Flex 6" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0615)

    Z-Flex 6" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0615)

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

    Regular Price: $350.12

    Special Price: $280.09

    Details
  23. Z-Flex 6" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0625)

    Z-Flex 6" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0625)

    Z-Flex 6" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0625)

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

    Regular Price: $309.29

    Special Price: $247.43

    Details
  24. Z-Flex 6" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0612)

    Z-Flex 6" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0612)

    Z-Flex 6" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0612)

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

    Regular Price: $286.44

    Special Price: $229.15

    Details
  25. Z-Flex 6" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0606)

    Z-Flex 6" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0606)

    Z-Flex 6" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0606)

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

    Regular Price: $286.42

    Special Price: $229.14

    Details
  26. Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

    Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

    Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

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

    Regular Price: $261.66

    Special Price: $209.33

    Details
  27. Z-Flex 6" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0603)

    Z-Flex 6" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0603)

    Z-Flex 6" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0603)

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

    Regular Price: $233.36

    Special Price: $186.69

    Details
  28. Z-Flex 6" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0609)

    Z-Flex 6" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0609)

    Z-Flex 6" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0609)

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

    Regular Price: $229.24

    Special Price: $183.40

    Details
  29. 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
  30. 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
  31. Z-Flex 6" x 18' Gas Single Vent Kit (2SVKXXX0618)

    Z-Flex 6" x 18' Gas Single Vent Kit (2SVKXXX0618)

    Z-Flex 6" x 18' Gas Single Vent Kit (2SVKXXX0618)

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

    Regular Price: $192.07

    Special Price: $153.65

    Details
  32. Z-Flex 6" x 6' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0606)

    Z-Flex 6" x 6' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0606)

    Z-Flex 6" x 6' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0606)

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

    Regular Price: $172.05

    Special Price: $137.64

    Details
  33. Z-Flex 6" x 12' Gas Single Vent Kit (2SVKXXX0612)

    Z-Flex 6" x 12' Gas Single Vent Kit (2SVKXXX0612)

    Z-Flex 6" x 12' Gas Single Vent Kit (2SVKXXX0612)

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

    Regular Price: $147.97

    Special Price: $118.38

    Details
  34. Z-Flex 6" Aluminum 2-Ply Chimney Liner Extension Kit (2GAEXT0610)

    Z-Flex 6" Aluminum 2-Ply Extension Kit (2GAEXT0610)

    Z-Flex 6" Aluminum 2-Ply Extension Kit (2GAEXT0610)

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

    Regular Price: $142.28

    Special Price: $113.83

    Details
  35. Z-Flex 6" x 9' Gas Single Vent Kit (2SVKXXX0609)

    Z-Flex 6" x 9' Gas Single Vent Kit (2SVKXXX0609)

    Z-Flex 6" x 9' Gas Single Vent Kit (2SVKXXX0609)

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

    Regular Price: $116.51

    Special Price: $93.21

    Details
  36. Z-Flex 6" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0603)

    Z-Flex 6" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0603)

    Z-Flex 6" x 3' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0603)

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

    Regular Price: $114.84

    Special Price: $91.87

    Details
  37. Z-Flex 6" x 6' Gas Single Vent Kit (2SVKXXX0606)

    Z-Flex 6" x 6' Gas Single Vent Kit (2SVKXXX0606)

    Z-Flex 6" x 6' Gas Single Vent Kit (2SVKXXX0606)

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

    Regular Price: $103.86

    Special Price: $83.09

    Details
  38. Z-Flex 6" x 3' Gas Single Vent Kit (2SVKXXX0603)

    Z-Flex 6" x 3' Gas Single Vent Kit (2SVKXXX0603)

    Z-Flex 6" x 3' Gas Single Vent Kit (2SVKXXX0603)

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

    Regular Price: $81.80

    Special Price: $65.44

    Details

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