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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.

26 Item(s)

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  1. Z-Flex 8" x 15' Insul-Liner Kit (2GIAKXX0815)

    Z-Flex 8" x 15' Insul-Liner Kit (2GIAKXX0815)

    Z-Flex 8" x 15' Insul-Liner Kit (2GIAKXX0815)

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

    Regular Price: $754.53

    Special Price: $603.62

    Details
  2. 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
  3. Z-Flex 8" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0835)

    Z-Flex 8" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0835)

    Z-Flex 8" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0835)

    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
  4. Z-Flex 8" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0820)

    Z-Flex 8" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0820)

    Z-Flex 8" x 20' Additional Length of Insul-Vent Pipe (2INSGAC0820)

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

    Regular Price: $766.83

    Special Price: $613.47

    Details
  5. 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
  6. Z-Flex 5" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0515)

    Z-Flex 5" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0515)

    Z-Flex 5" x 15' Double Wall Oil Vent Connector Kit (2OVIKIT0515)

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

    Regular Price: $769.71

    Special Price: $615.77

    Details
  7. Z-Flex 4" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0425)

    Z-Flex 4" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0425)

    Z-Flex 4" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0425)

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

    Regular Price: $780.38

    Special Price: $624.31

    Details
  8. Z-Flex 3" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0318)

    Z-Flex 3" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0318)

    Z-Flex 3" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0318)

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

    Regular Price: $788.87

    Special Price: $631.10

    Details
  9. Z-Flex 3" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0340)

    Z-Flex 3" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0340)

    Z-Flex 3" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0340)

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

    Regular Price: $791.46

    Special Price: $633.18

    Details
  10. Z-Flex 4" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0430)

    Z-Flex 4" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0430)

    Z-Flex 4" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0430)

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

    Regular Price: $794.49

    Special Price: $635.59

    Details
  11. 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
  12. Z-Flex 4" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0418)

    Z-Flex 4" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0418)

    Z-Flex 4" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0418)

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

    Regular Price: $798.46

    Special Price: $638.77

    Details
  13. 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
  14. Z-Flex 7" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0715)

    Z-Flex 7" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0715)

    Z-Flex 7" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0715)

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

    Regular Price: $808.39

    Special Price: $646.71

    Details
  15. 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
  16. Z-Flex 7" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0718)

    Z-Flex 7" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0718)

    Z-Flex 7" x 18' Single Wall Oil Vent Connector Kit (2OVSKIT0718)

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

    Regular Price: $822.18

    Special Price: $657.74

    Details
  17. 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
  18. Z-Flex 3" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0330)

    Z-Flex 3" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0330)

    Z-Flex 3" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0330)

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

    Regular Price: $833.62

    Special Price: $666.90

    Details
  19. Z-Flex 5" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0518)

    Z-Flex 5" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0518)

    Z-Flex 5" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0518)

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

    Regular Price: $834.84

    Special Price: $667.87

    Details
  20. Z-Flex 6" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0615)

    Z-Flex 6" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0615)

    Z-Flex 6" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0615)

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

    Regular Price: $836.77

    Special Price: $669.42

    Details
  21. 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
  22. Z-Flex 4" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0418)

    Z-Flex 4" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0418)

    Z-Flex 4" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0418)

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

    Regular Price: $849.09

    Special Price: $679.28

    Details
  23. Z-Flex 7" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0715)

    Z-Flex 7" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0715)

    Z-Flex 7" x 15' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0715)

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

    Regular Price: $860.17

    Special Price: $688.14

    Details
  24. Z-Flex 6" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0618)

    Z-Flex 6" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0618)

    Z-Flex 6" x 18' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0618)

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

    Regular Price: $863.36

    Special Price: $690.69

    Details
  25. Z-Flex 8" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0815)

    Z-Flex 8" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0815)

    Z-Flex 8" x 15' Single Wall Oil Vent Connector Kit (2OVSKIT0815)

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

    Regular Price: $869.37

    Special Price: $695.50

    Details
  26. 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

26 Item(s)

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Application
  1. Commercial,Residential (26)
Material of Construction
  1. Aluminum (16)
  2. Stainless Steel (6)
  3. Stainless Steel AL29-4C (4)
Product Sub Type
  1. Flexible (26)
Product Type
  1. Z-Flex 3" Chimney Liner (4)
  2. Z-Flex 4" Chimney Liner (6)
  3. Z-Flex 5" Chimney Liner (4)
  4. Z-Flex 5.5" Chimney Liner (1)
  5. Z-Flex 6" Chimney Liner (3)
  6. Z-Flex 7" Chimney Liner (3)
  7. Z-Flex 8" Chimney Liner (4)
  8. Z-Flex 10" Chimney Liner (1)
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  2. Chimney Liner Lengths (9)
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