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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.

45 Item(s)

Set Descending Direction
  1. Z-Flex 5" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0515)

    Z-Flex 5" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0515)

    Z-Flex 5" x 15' Length of Aluminum 2-Ply Liner (2ZLSCXX0515)

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

    Regular Price: $630.52

    Special Price: $504.42

    Details
  2. Z-Flex 8" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0810)

    Z-Flex 8" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0810)

    Z-Flex 8" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0810)

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

    Regular Price: $639.46

    Special Price: $511.57

    Details
  3. Z-Flex 4" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0420)

    Z-Flex 4" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0420)

    Z-Flex 4" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0420)

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

    Regular Price: $645.70

    Special Price: $516.57

    Details
  4. Z-Flex 4" x 25' All Fuel Insert Kit (2OILKTX0425I)

    Z-Flex 4" x 25' All Fuel Insert Kit (2OILKTX0425I)

    Z-Flex 4" x 25' All Fuel Insert Kit (2OILKTX0425I)

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

    Regular Price: $686.24

    Special Price: $549.00

    Details
  5. Z-Flex 3" x 35' All Fuel Insert Kit (2OILKTX0335I)

    Z-Flex 3" x 35' All Fuel Insert Kit (2OILKTX0335I)

    Z-Flex 3" x 35' All Fuel Insert Kit (2OILKTX0335I)

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

    Regular Price: $714.13

    Special Price: $571.31

    Details
  6. Z-Flex 6" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0615)

    Z-Flex 6" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0615)

    Z-Flex 6" x 15' Length of Aluminum 2-Ply Liner (2ZLSCXX0615)

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

    Regular Price: $714.83

    Special Price: $571.87

    Details
  7. Z-Flex 10" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX1010)

    Z-Flex 10" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX1010)

    Z-Flex 10" x 10' Flexible Stainless Steel Full Oval Liner (2ZLSSOX1010)

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

    Regular Price: $797.01

    Special Price: $637.61

    Details
  8. Z-Flex 3" x 40' All Fuel Insert Kit (2OILKTX0340I)

    Z-Flex 3" x 40' All Fuel Insert Kit (2OILKTX0340I)

    Z-Flex 3" x 40' All Fuel Insert Kit (2OILKTX0340I)

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

    Regular Price: $807.32

    Special Price: $645.85

    Details
  9. Z-Flex 4" x 30' All Fuel Insert Kit (2OILKTX0430I)

    Z-Flex 4" x 30' All Fuel Insert Kit (2OILKTX0430I)

    Z-Flex 4" x 30' All Fuel Insert Kit (2OILKTX0430I)

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

    Regular Price: $811.35

    Special Price: $649.07

    Details
  10. Z-Flex 4" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0715)

    Z-Flex 4" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0715)

    Z-Flex 4" x 15' Length of Aluminum 2-Ply Liner (2ZLSCXX0715)

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

    Regular Price: $831.11

    Special Price: $664.88

    Details
  11. Z-Flex 5" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0520)

    Z-Flex 5" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0520)

    Z-Flex 5" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0520)

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

    Regular Price: $841.00

    Special Price: $672.80

    Details
  12. Z-Flex 5" x 25' All Fuel Insert Kit (2OILKTX0525I)

    Z-Flex 5" x 25' All Fuel Insert Kit (2OILKTX0525I)

    Z-Flex 5" x 25' All Fuel Insert Kit (2OILKTX0525I)

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

    Regular Price: $869.91

    Special Price: $695.92

    Details
  13. Z-Flex 3" x 45' All Fuel Insert Kit (2OILKTX0345I)

    Z-Flex 3" x 45' All Fuel Insert Kit (2OILKTX0345I)

    Z-Flex 3" x 45' All Fuel Insert Kit (2OILKTX0345I)

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

    Regular Price: $900.04

    Special Price: $720.03

    Details
  14. Z-Flex 8" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0815)

    Z-Flex 8" x 15' Smoothcore All Fuels Chimney Liner (2ZLSCXX0815)

    Z-Flex 8" x 15' Length of Aluminum 2-Ply Liner (2ZLSCXX0815)

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

    Regular Price: $916.12

    Special Price: $732.90

    Details
  15. Z-Flex 4" x 35' All Fuel Insert Kit (2OILKTX0435I)

    Z-Flex 4" x 35' All Fuel Insert Kit (2OILKTX0435I)

    Z-Flex 4" x 35' All Fuel Insert Kit (2OILKTX0435I)

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

    Regular Price: $934.43

    Special Price: $747.55

    Details
  16. Z-Flex 6" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0620)

    Z-Flex 6" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0620)

    Z-Flex 6" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0620)

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

    Regular Price: $953.42

    Special Price: $762.74

    Details
  17. 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
  18. Z-Flex 3" x 50' All Fuel Insert Kit (2OILKTX0350I)

    Z-Flex 3" x 50' All Fuel Insert Kit (2OILKTX0350I)

    Z-Flex 3" x 50' All Fuel Insert Kit (2OILKTX0350I)

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

    Regular Price: $994.14

    Special Price: $795.32

    Details
  19. Z-Flex 4" x 40' All Fuel Insert Kit (2OILKTX0440I)

    Z-Flex 4" x 40' All Fuel Insert Kit (2OILKTX0440I)

    Z-Flex 4" x 40' All Fuel Insert Kit (2OILKTX0440I)

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

    Regular Price: $1,058.60

    Special Price: $846.87

    Details
  20. Z-Flex 5" x 30' All Fuel Insert Kit (2OILKTX0530I)

    Z-Flex 5" x 30' All Fuel Insert Kit (2OILKTX0530I)

    Z-Flex 5" x 30' All Fuel Insert Kit (2OILKTX0530I)

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

    Regular Price: $1,106.82

    Special Price: $885.45

    Details
  21. Z-Flex 4" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0720)

    Z-Flex 4" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0720)

    Z-Flex 4" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0720)

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

    Regular Price: $1,108.44

    Special Price: $886.75

    Details
  22. Z-Flex 7" x 25' All Fuel Insert Kit (2OILKTX0725I)

    Z-Flex 7" x 25' All Fuel Insert Kit (2OILKTX0725I)

    Z-Flex 7" x 25' All Fuel Insert Kit (2OILKTX0725I)

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

    Regular Price: $1,150.61

    Special Price: $920.49

    Details
  23. Z-Flex 4" x 50' All Fuel Insert Kit (2OILKTX0450I)

    Z-Flex 4" x 50' All Fuel Insert Kit (2OILKTX0450I)

    Z-Flex 4" x 50' All Fuel Insert Kit (2OILKTX0450I)

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

    Regular Price: $1,165.26

    Special Price: $932.20

    Details
  24. 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
  25. Z-Flex 4" x 45' All Fuel Insert Kit (2OILKTX0445I)

    Z-Flex 4" x 45' All Fuel Insert Kit (2OILKTX0445I)

    Z-Flex 4" x 45' All Fuel Insert Kit (2OILKTX0445I)

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

    Regular Price: $1,182.84

    Special Price: $946.28

    Details
  26. Z-Flex 5" x 35' All Fuel Insert Kit (2OILKTX0535I)

    Z-Flex 5" x 35' All Fuel Insert Kit (2OILKTX0535I)

    Z-Flex 5" x 35' All Fuel Insert Kit (2OILKTX0535I)

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

    Regular Price: $1,189.80

    Special Price: $951.84

    Details
  27. Z-Flex 8" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0820)

    Z-Flex 8" x 20' Smoothcore All Fuels Chimney Liner (2ZLSCXX0820)

    Z-Flex 8" x 20' Length of Aluminum 2-Ply Liner (2ZLSCXX0820)

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

    Regular Price: $1,221.78

    Special Price: $977.43

    Details
  28. Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

    Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

    Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

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

    Regular Price: $1,265.81

    Special Price: $1,012.64

    Details
  29. Z-Flex 5" x 40' All Fuel Insert Kit (2OILKTX0540I)

    Z-Flex 5" x 40' All Fuel Insert Kit (2OILKTX0540I)

    Z-Flex 5" x 40' All Fuel Insert Kit (2OILKTX0540I)

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

    Regular Price: $1,349.10

    Special Price: $1,079.28

    Details
  30. Z-Flex 6" x 35' All Fuel Insert Kit (2OILKTX0635I)

    Z-Flex 6" x 35' All Fuel Insert Kit (2OILKTX0635I)

    Z-Flex 6" x 35' All Fuel Insert Kit (2OILKTX0635I)

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

    Regular Price: $1,349.72

    Special Price: $1,079.78

    Details
  31. Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

    Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

    Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

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

    Regular Price: $1,363.33

    Special Price: $1,090.66

    Details
  32. Z-Flex 8" x 30' All Fuel Insert Kit (2OILKTX0830I)

    Z-Flex 8" x 30' All Fuel Insert Kit (2OILKTX0830I)

    Z-Flex 8" x 30' All Fuel Insert Kit (2OILKTX0830I)

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

    Regular Price: $1,500.43

    Special Price: $1,200.35

    Details
  33. Z-Flex 5" x 45' All Fuel Insert Kit (2OILKTX0545I)

    Z-Flex 5" x 45' All Fuel Insert Kit (2OILKTX0545I)

    Z-Flex 5" x 45' All Fuel Insert Kit (2OILKTX0545I)

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

    Regular Price: $1,509.88

    Special Price: $1,207.90

    Details
  34. Z-Flex 6" x 40' All Fuel Insert Kit (2OILKTX0640I)

    Z-Flex 6" x 40' All Fuel Insert Kit (2OILKTX0640I)

    Z-Flex 6" x 40' All Fuel Insert Kit (2OILKTX0640I)

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

    Regular Price: $1,524.65

    Special Price: $1,219.72

    Details
  35. Z-Flex 7" x 35' All Fuel Insert Kit (2OILKTX0735I)

    Z-Flex 7" x 35' All Fuel Insert Kit (2OILKTX0735I)

    Z-Flex 7" x 35' All Fuel Insert Kit (2OILKTX0735I)

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

    Regular Price: $1,575.36

    Special Price: $1,260.29

    Details
  36. Z-Flex 5" x 50' All Fuel Insert Kit (2OILKTX0550I)

    Z-Flex 5" x 50' All Fuel Insert Kit (2OILKTX0550I)

    Z-Flex 5" x 50' All Fuel Insert Kit (2OILKTX0550I)

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

    Regular Price: $1,668.05

    Special Price: $1,334.45

    Details
  37. Z-Flex 6" x 45' All Fuel Insert Kit (2OILKTX0645I)

    Z-Flex 6" x 45' All Fuel Insert Kit (2OILKTX0645I)

    Z-Flex 6" x 45' All Fuel Insert Kit (2OILKTX0645I)

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

    Regular Price: $1,713.48

    Special Price: $1,370.79

    Details
  38. Z-Flex 8" x 35' All Fuel Insert Kit (2OILKTX0835I)

    Z-Flex 8" x 35' All Fuel Insert Kit (2OILKTX0835I)

    Z-Flex 8" x 35' All Fuel Insert Kit (2OILKTX0835I)

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

    Regular Price: $1,734.84

    Special Price: $1,387.88

    Details
  39. Z-Flex 7" x 40' All Fuel Insert Kit (2OILKTX0740I)

    Z-Flex 7" x 40' All Fuel Insert Kit (2OILKTX0740I)

    Z-Flex 7" x 40' All Fuel Insert Kit (2OILKTX0740I)

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

    Regular Price: $1,789.55

    Special Price: $1,431.64

    Details
  40. Z-Flex 6" x 50' All Fuel Insert Kit (2OILKTX0650I)

    Z-Flex 6" x 50' All Fuel Insert Kit (2OILKTX0650I)

    Z-Flex 6" x 50' All Fuel Insert Kit (2OILKTX0650I)

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

    Regular Price: $1,895.10

    Special Price: $1,516.08

    Details
  41. Z-Flex 8" x 40' All Fuel Insert Kit (2OILKTX0840I)

    Z-Flex 8" x 40' All Fuel Insert Kit (2OILKTX0840I)

    Z-Flex 8" x 40' All Fuel Insert Kit (2OILKTX0840I)

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

    Regular Price: $1,967.87

    Special Price: $1,574.29

    Details
  42. Z-Flex 7" x 45' All Fuel Insert Kit (2OILKTX0745I)

    Z-Flex 7" x 45' All Fuel Insert Kit (2OILKTX0745I)

    Z-Flex 7" x 45' All Fuel Insert Kit (2OILKTX0745I)

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

    Regular Price: $2,002.82

    Special Price: $1,602.25

    Details
  43. Z-Flex 8" x 45' All Fuel Insert Kit (2OILKTX0845I)

    Z-Flex 8" x 45' All Fuel Insert Kit (2OILKTX0845I)

    Z-Flex 8" x 45' All Fuel Insert Kit (2OILKTX0845I)

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

    Regular Price: $2,203.69

    Special Price: $1,762.95

    Details
  44. Z-Flex 7" x 50' All Fuel Insert Kit (2OILKTX0750I)

    Z-Flex 7" x 50' All Fuel Insert Kit (2OILKTX0750I)

    Z-Flex 7" x 50' All Fuel Insert Kit (2OILKTX0750I)

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

    Regular Price: $2,214.56

    Special Price: $1,771.64

    Details
  45. Z-Flex 8" x 50' All Fuel Insert Kit (2OILKTX0850I)

    Z-Flex 8" x 50' All Fuel Insert Kit (2OILKTX0850I)

    Z-Flex 8" x 50' All Fuel Insert Kit (2OILKTX0850I)

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

    Regular Price: $2,440.23

    Special Price: $1,952.18

    Details

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