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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 5.5" Aluminum Chimney Liner Connector (2CNNTRG05.5)

    Z-Flex 5.5" Aluminum Chimney Liner Connector (2CNNTRG05.5)

    Z-Flex 5.5" Aluminum Liner Connector (2CNNTRG05.5)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details
  2. Z-Flex 5.5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.505)

    Z-Flex 5.5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.505)

    Z-Flex 5.5" x 5' Length of Aluminum 2-Ply Liner (2GAXXXX05.505)

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

    Regular Price: $58.66

    Special Price: $46.93

    Details
  3. Z-Flex 5.5" Stainless Steel Top Support (2ZTSXXX05-5)

    Z-Flex 5.5" Stainless Steel Top Support (2ZTSXXX05-5)

    Z-Flex 5.5" Stainless Steel Top Support (2ZTSXXX05-5)

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

    Regular Price: $59.01

    Special Price: $47.21

    Details
  4. Z-Flex 5.5" Stainless Steel Drip-less Connector (2CNNTRC05.5)

    Z-Flex 5.5" Stainless Steel Drip-less Connector (2CNNTRC05.5)

    Z-Flex 5.5" Stainless Steel Drip-less Connector (2CNNTRC05.5)

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

    Regular Price: $60.34

    Special Price: $48.28

    Details
  5. Z-Flex 5.5" Nose Cone (2NCXXX05-5)

    Z-Flex 5.5" Nose Cone (2NCXXX05-5)

    Z-Flex 5.5" Nose Cone (2NCXXX05-5)

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

    Regular Price: $76.31

    Special Price: $61.05

    Details
  6. Z-Flex 5.5" Z-Max Flashing (2AFCS05.5)

    Z-Flex 5.5" Z-Max Flashing (2AFCS05.5)

    Z-Flex 5.5" Stainless Steel Z-Max Flashing (2AFCS05.5)

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

    Regular Price: $79.15

    Special Price: $63.32

    Details
  7. Z-Flex 5.5" Stainless Steel Chimney Flashing (2ZSCSXX05.5)

    Z-Flex 5.5" Stainless Steel Chimney Flashing (2ZSCSXX05.5)

    Z-Flex 5.5" Stainless Steel Chimney Flashing (2ZSCSXX05.5)

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

    Regular Price: $79.15

    Special Price: $63.32

    Details
  8. Z-Flex 5.5" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.510)

    Z-Flex 5.5" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.510)

    Z-Flex 5.5" x 10' Length of Aluminum 2-Ply Liner (2GAXXXX05.510)

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

    Regular Price: $92.31

    Special Price: $73.84

    Details
  9. Z-Flex 5.5" Aluminum 2-Ply Chimney Liner Extension Kit (2GAEXT05.510)

    Z-Flex 5.5" Aluminum 2-Ply Extension Kit (2GAEXT05.510)

    Z-Flex 5.5" Aluminum 2-Ply Extension Kit (2GAEXT05.510)

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

    Regular Price: $104.47

    Special Price: $83.58

    Details
  10. Z-Flex 5.5" Stainless Steel Deluxe Rain Cap (2RNCAPS05-5)

    Z-Flex 5.5" Stainless Steel Deluxe Rain Cap (2RNCAPS05-5)

    Z-Flex 5.5" Stainless Steel Deluxe Rain Cap (2RNCAPS05-5)

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

    Regular Price: $108.12

    Special Price: $86.49

    Details
  11. Z-Flex 5.5" Z-Max Cap (2ZMRCS05.5)

    Z-Flex 5.5" Z-Max Cap (2ZMRCS05.5)

    Z-Flex 5.5" Stainless Steel Z-Max Cap (2ZMRCS05.5)

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

    Regular Price: $118.00

    Special Price: $94.40

    Details
  12. Z-Flex 5.5" x 15' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.515)

    Z-Flex 5.5" x 15' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.515)

    Z-Flex 5.5" x 15' Length of Aluminum 2-Ply Liner (2GAXXXX05.515)

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

    Regular Price: $127.24

    Special Price: $101.79

    Details
  13. Z-Flex 5.5" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.520)

    Z-Flex 5.5" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.520)

    Z-Flex 5.5" x 20' Length of Aluminum 2-Ply Liner (2GAXXXX05.520)

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

    Regular Price: $193.61

    Special Price: $154.89

    Details
  14. Z-Flex 5.5" x 25' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.525)

    Z-Flex 5.5" x 25' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.525)

    Z-Flex 5.5" x 25' Length of Aluminum 2-Ply Liner (2GAXXXX05.525)

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

    Regular Price: $233.02

    Special Price: $186.42

    Details
  15. Z-Flex 5.5" x 30' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.530)

    Z-Flex 5.5" x 30' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.530)

    Z-Flex 5.5" x 30' Length of Aluminum 2-Ply Liner (2GAXXXX05.530)

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

    Regular Price: $267.95

    Special Price: $214.36

    Details
  16. Z-Flex 5.5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.520)

    Z-Flex 5.5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.520)

    Z-Flex 5.5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.520)

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

    Regular Price: $275.32

    Special Price: $220.26

    Details
  17. Z-Flex 5.5" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.525)

    Z-Flex 5.5" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.525)

    Z-Flex 5.5" x 25' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.525)

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

    Regular Price: $287.09

    Special Price: $229.67

    Details
  18. Z-Flex 5.5" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.535)

    Z-Flex 5.5" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.535)

    Z-Flex 5.5" x 35' Length of Aluminum 2-Ply Liner (2GAXXXX05.535)

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

    Regular Price: $302.89

    Special Price: $242.31

    Details
  19. Z-Flex 5.5" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.530)

    Z-Flex 5.5" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.530)

    Z-Flex 5.5" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.530)

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

    Regular Price: $333.70

    Special Price: $266.96

    Details
  20. Z-Flex 5.5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.535)

    Z-Flex 5.5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.535)

    Z-Flex 5.5" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.535)

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

    Regular Price: $346.82

    Special Price: $277.45

    Details
  21. Z-Flex 5.5" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.540)

    Z-Flex 5.5" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.540)

    Z-Flex 5.5" x 40' Length of Aluminum 2-Ply Liner (2GAXXXX05.540)

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

    Regular Price: $373.73

    Special Price: $298.99

    Details
  22. Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.545)

    Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.545)

    Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Liner (2GAXXXX05.545)

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

    Regular Price: $408.66

    Special Price: $326.93

    Details
  23. Z-Flex 5.5" x 50' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.550)

    Z-Flex 5.5" x 50' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.550)

    Z-Flex 5.5" x 50' Length of Aluminum 2-Ply Liner (2GAXXXX05.550)

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

    Regular Price: $663.71

    Special Price: $530.97

    Details
  24. Z-Flex 5.5" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.540)

    Z-Flex 5.5" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.540)

    Z-Flex 5.5" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.540)

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

    Regular Price: $712.10

    Special Price: $569.69

    Details
  25. Z-Flex 5.5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.545)

    Z-Flex 5.5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.545)

    Z-Flex 5.5" x 45' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.545)

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

    Regular Price: $738.32

    Special Price: $590.65

    Details
  26. Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

    Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

    Z-Flex 5.5" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT05.550)

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

    Regular Price: $763.12

    Special Price: $610.49

    Details
  27. Z-Flex 5.5" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-525)

    Z-Flex 5.5" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-525)

    Z-Flex 5.5" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-525)

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

    Regular Price: $947.12

    Special Price: $757.69

    Details
  28. Z-Flex 5.5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT05-525)

    Z-Flex 5.5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT05-525)

    Z-Flex 5.5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT05-525)

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

    Regular Price: $1,043.84

    Special Price: $835.07

    Details
  29. Z-Flex 5.5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-530)

    Z-Flex 5.5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-530)

    Z-Flex 5.5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-530)

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

    Regular Price: $1,120.46

    Special Price: $896.37

    Details
  30. Z-Flex 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

    Z-Flex 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

    Z-Flex 5.5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT05-530)

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

    Regular Price: $1,229.09

    Special Price: $983.26

    Details
  31. Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

    Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

    Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

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

    Regular Price: $1,296.79

    Special Price: $1,037.43

    Details
  32. Z-Flex 5.5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT05-535)

    Z-Flex 5.5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT05-535)

    Z-Flex 5.5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT05-535)

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

    Regular Price: $1,413.98

    Special Price: $1,131.19

    Details
  33. Z-Flex 5.5" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-540)

    Z-Flex 5.5" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-540)

    Z-Flex 5.5" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-540)

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

    Regular Price: $1,471.23

    Special Price: $1,176.98

    Details
  34. Z-Flex 5.5" x 40' All Fuel Stainless Steel Kit (2ZFLKIT05-540)

    Z-Flex 5.5" x 40' All Fuel Stainless Steel Kit (2ZFLKIT05-540)

    Z-Flex 5.5" x 40' All Fuel Stainless Steel Kit (2ZFLKIT05-540)

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

    Regular Price: $1,599.71

    Special Price: $1,279.77

    Details
  35. Z-Flex 5.5" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-545)

    Z-Flex 5.5" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-545)

    Z-Flex 5.5" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-545)

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

    Regular Price: $1,646.00

    Special Price: $1,316.80

    Details
  36. Z-Flex 5.5" x 45' All Fuel Stainless Steel Kit (2ZFLKIT05-545)

    Z-Flex 5.5" x 45' All Fuel Stainless Steel Kit (2ZFLKIT05-545)

    Z-Flex 5.5" x 45' All Fuel Stainless Steel Kit (2ZFLKIT05-545)

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

    Regular Price: $1,783.81

    Special Price: $1,427.05

    Details
  37. Z-Flex 5.5" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-550)

    Z-Flex 5.5" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-550)

    Z-Flex 5.5" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-550)

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

    Regular Price: $1,820.74

    Special Price: $1,456.59

    Details
  38. Z-Flex 5.5" x 50' All Fuel Stainless Steel Kit (2ZFLKIT05-550)

    Z-Flex 5.5" x 50' All Fuel Stainless Steel Kit (2ZFLKIT05-550)

    Z-Flex 5.5" x 50' All Fuel Stainless Steel Kit (2ZFLKIT05-550)

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

    Regular Price: $1,969.56

    Special Price: $1,575.65

    Details

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  1. Aluminum (19)
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  1. Flexible (31)
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