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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)

Set Descending Direction
  1. Z-Flex 5" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0509)

    Z-Flex 5" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0509)

    Z-Flex 5" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0509)

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

    Regular Price: $503.57

    Special Price: $402.86

    Details
  2. Z-Flex 8" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0809)

    Z-Flex 8" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0809)

    Z-Flex 8" x 9' Single Wall Oil Vent Connector Kit (2OVSKIT0809)

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

    Regular Price: $507.09

    Special Price: $405.67

    Details
  3. Z-Flex 8" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0809)

    Z-Flex 8" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0809)

    Z-Flex 8" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0809)

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

    Regular Price: $510.40

    Special Price: $408.32

    Details
  4. Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

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

    Regular Price: $517.11

    Special Price: $413.69

    Details
  5. Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

    Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

    Z-Flex 3" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0312)

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

    Regular Price: $519.54

    Special Price: $415.62

    Details
  6. Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

    Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

    Z-Flex 8" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0820)

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

    Regular Price: $520.56

    Special Price: $416.45

    Details
  7. 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
  8. Z-Flex 6" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0610)

    Z-Flex 6" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0610)

    Z-Flex 6" x 10' Length of Aluminum 2-Ply Liner (2ZLSCXX0610)

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

    Regular Price: $523.48

    Special Price: $418.78

    Details
  9. Z-Flex 3" x 25' All Fuel Insert Kit (2OILKTX0325I)

    Z-Flex 3" x 25' All Fuel Insert Kit (2OILKTX0325I)

    Z-Flex 3" x 25' All Fuel Insert Kit (2OILKTX0325I)

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

    Regular Price: $527.47

    Special Price: $421.98

    Details
  10. 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
  11. Z-Flex 4" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0418)

    Z-Flex 4" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0418)

    Z-Flex 4" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0418)

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

    Regular Price: $537.30

    Special Price: $429.85

    Details
  12. Z-Flex 6" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0610)

    Z-Flex 6" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0610)

    Z-Flex 6" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0610)

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

    Regular Price: $540.43

    Special Price: $432.34

    Details
  13. Z-Flex 7" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0715)

    Z-Flex 7" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0715)

    Z-Flex 7" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0715)

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

    Regular Price: $547.81

    Special Price: $438.25

    Details
  14. Z-Flex 7" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0715)

    Z-Flex 7" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0715)

    Z-Flex 7" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0715)

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

    Regular Price: $554.48

    Special Price: $443.59

    Details
  15. Z-Flex 4" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0412)

    Z-Flex 4" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0412)

    Z-Flex 4" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0412)

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

    Regular Price: $557.27

    Special Price: $445.81

    Details
  16. 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
  17. Z-Flex 5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0545)

    Z-Flex 5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0545)

    Z-Flex 5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0545)

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

    Regular Price: $558.20

    Special Price: $446.56

    Details
  18. Z-Flex 5" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0520)

    Z-Flex 5" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0520)

    Z-Flex 5" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0520)

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

    Regular Price: $561.40

    Special Price: $449.12

    Details
  19. Z-Flex 5" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0515)

    Z-Flex 5" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0515)

    Z-Flex 5" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0515)

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

    Regular Price: $567.11

    Special Price: $453.69

    Details
  20. Z-Flex 8" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0809)

    Z-Flex 8" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0809)

    Z-Flex 8" x 9' Double Wall Oil Vent Connector Kit (2OVIKIT0809)

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

    Regular Price: $569.41

    Special Price: $455.53

    Details
  21. Z-Flex 7" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0715)

    Z-Flex 7" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0715)

    Z-Flex 7" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0715)

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

    Regular Price: $573.38

    Special Price: $458.71

    Details
  22. Z-Flex 3" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0312)

    Z-Flex 3" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0312)

    Z-Flex 3" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0312)

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

    Regular Price: $577.93

    Special Price: $462.35

    Details
  23. Z-Flex 4" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0710)

    Z-Flex 4" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0710)

    Z-Flex 4" x 10' Length of Aluminum 2-Ply Liner (2ZLSCXX0710)

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

    Regular Price: $579.34

    Special Price: $463.46

    Details
  24. Z-Flex 5" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0512)

    Z-Flex 5" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0512)

    Z-Flex 5" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0512)

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

    Regular Price: $581.52

    Special Price: $465.22

    Details
  25. Z-Flex 5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0550)

    Z-Flex 5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0550)

    Z-Flex 5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0550)

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

    Regular Price: $588.51

    Special Price: $470.81

    Details
  26. Z-Flex 6" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0615)

    Z-Flex 6" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0615)

    Z-Flex 6" x 15' Additional Length of Single Wall Oil Vent Pipe (2ZLSSXX0615)

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

    Regular Price: $593.26

    Special Price: $474.61

    Details
  27. Z-Flex 8" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0815)

    Z-Flex 8" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0815)

    Z-Flex 8" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0815)

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

    Regular Price: $595.31

    Special Price: $476.25

    Details
  28. Z-Flex 7" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0710)

    Z-Flex 7" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0710)

    Z-Flex 7" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0710)

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

    Regular Price: $596.44

    Special Price: $477.15

    Details
  29. Z-Flex 7" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0712)

    Z-Flex 7" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0712)

    Z-Flex 7" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0712)

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

    Regular Price: $598.54

    Special Price: $478.84

    Details
  30. Z-Flex 6" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0612)

    Z-Flex 6" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0612)

    Z-Flex 6" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0612)

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

    Regular Price: $600.53

    Special Price: $480.42

    Details
  31. Z-Flex 7" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0718)

    Z-Flex 7" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0718)

    Z-Flex 7" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0718)

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

    Regular Price: $613.97

    Special Price: $491.18

    Details
  32. Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

    Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

    Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

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

    Regular Price: $618.85

    Special Price: $495.08

    Details
  33. Z-Flex 7" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0712)

    Z-Flex 7" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0712)

    Z-Flex 7" x 12' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0712)

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

    Regular Price: $619.25

    Special Price: $495.41

    Details
  34. Z-Flex 4" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0412)

    Z-Flex 4" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0412)

    Z-Flex 4" x 12' Double Wall Oil Vent Connector Kit (2OVIKIT0412)

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

    Regular Price: $619.88

    Special Price: $495.91

    Details
  35. Z-Flex 8" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0815)

    Z-Flex 8" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0815)

    Z-Flex 8" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0815)

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

    Regular Price: $620.05

    Special Price: $496.04

    Details
  36. Z-Flex 8" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0810)

    Z-Flex 8" x 10' Smoothcore All Fuels Chimney Liner (2ZLSCXX0810)

    Z-Flex 8" x 10' Length of Aluminum 2-Ply Liner (2ZLSCXX0810)

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

    Regular Price: $620.17

    Special Price: $496.14

    Details
  37. Z-Flex 3" x 30' All Fuel Insert Kit (2OILKTX0330I)

    Z-Flex 3" x 30' All Fuel Insert Kit (2OILKTX0330I)

    Z-Flex 3" x 30' All Fuel Insert Kit (2OILKTX0330I)

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

    Regular Price: $620.78

    Special Price: $496.63

    Details
  38. 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

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  1. Flexible (38)
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