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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.

28 Item(s)

Set Descending Direction
  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 Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    Z-Flex Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    Z-Flex Z-Dens 2" x 35' Chimney Flexible Kit (2ZDFK235)

    For vertical installations Learn More

    Regular Price: $788.27

    Special Price: $630.61

    Details
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    Z-Flex Z-Dens 3" x 25' Chimney Flexible Kit (2ZDFK325)

    For vertical installations Learn More

    Regular Price: $828.46

    Special Price: $662.77

    Details
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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

28 Item(s)

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Application
  1. Commercial,Residential (28)
Color
  1. Silver (28)
Material of Construction
  1. Aluminum (16)
  2. Stainless Steel (6)
  3. Stainless Steel AL29-4C (4)
  4. Polypropylene (2)
Product Type
  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 3" Single-Wall Venting (1)
  3. Z-Flex 3" Chimney Liner (4)
  4. Z-Flex 4" Chimney Liner (6)
  5. Z-Flex 5" Chimney Liner (4)
  6. Z-Flex 5.5" Chimney Liner (1)
  7. Z-Flex 6" Chimney Liner (3)
  8. Z-Flex 7" Chimney Liner (3)
  9. Z-Flex 8" Chimney Liner (4)
  10. Z-Flex 10" Chimney Liner (1)
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  1. Z-Flex Chimney Liner (26)
  2. Z-Flex Z-Dens Polypropylene (2)
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