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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.

27 Item(s)

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  1. Bosch Therm Horizontal Vent Kit (AQ5EF) for Bosch Therm 660EF Tankless Water Heaters

    Bosch Therm Horizontal Vent Kit (AQ5EF)

    Bosch Therm Horizontal Vent Kit (AQ5EF)

    Stainless Steel Side Wall Vent Kit for the Bosch Therm 660EF Learn More

    Regular Price: $249.95

    Special Price: $209.95

    Details
  2. Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

    Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

    Z-Flex 6" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0620)

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

    Regular Price: $261.66

    Special Price: $209.33

    Details
  3. Z-Flex 5" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0506)

    Z-Flex 5" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0506)

    Z-Flex 5" x 6' Single Wall Oil Vent Connector Kit (2OVSKIT0506)

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

    Regular Price: $261.23

    Special Price: $208.99

    Details
  4. Z-Flex 10" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1020)

    Z-Flex 10" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1020)

    Z-Flex 10" x 20' Length of Aluminum 2-Ply Liner (2GAXXXX1020)

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

    Regular Price: $260.34

    Special Price: $208.27

    Details
  5. Z-Flex Z-Vent 6" Wall Support Stainless Steel Venting (2SVSWS06)

    Z-Flex Z-Vent 6" Wall Support (2SVSWS06)

    Z-Flex Z-Vent 6" Wall Support (2SVSWS06)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $259.43

    Special Price: $207.55

    Details
  6. Z-Flex 7" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0709)

    Z-Flex 7" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0709)

    Z-Flex 7" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0709)

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

    Regular Price: $258.30

    Special Price: $206.64

    Details
  7. Z-Flex Z-Vent 8" Low Resistance Rain Cap Stainless Steel Venting (2SVSRC08)

    Z-Flex Z-Vent 8" Low Resistance Rain Cap (2SVSRC08)

    Z-Flex Z-Vent 8" Low Resistance Rain Cap (2SVSRC08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $257.83

    Special Price: $206.26

    Details
  8. Z-Flex 4" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0440)

    Z-Flex 4" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0440)

    Z-Flex 4" x 40' Length of Aluminum 2-Ply Liner (2GAXXXX0440)

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

    Regular Price: $257.51

    Special Price: $206.01

    Details
  9. Z-Flex 8" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0820)

    Z-Flex 8" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0820)

    Z-Flex 8" x 20' Length of Aluminum 2-Ply Liner (2GAXXXX0820)

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

    Regular Price: $257.34

    Special Price: $205.86

    Details
  10. Z-Flex Z-Vent 6" to 4" Reducer Stainless Steel Venting (2SVDR0604)

    Z-Flex Z-Vent 6" to 4" Reducer (2SVDR0604)

    Z-Flex Z-Vent 6" to 4" Reducer (2SVDR0604)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $257.34

    Special Price: $205.86

    Details
  11. Z-Flex 4" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0435)

    Z-Flex 4" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0435)

    Z-Flex 4" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0435)

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

    Regular Price: $257.31

    Special Price: $205.85

    Details
  12. Z-Flex 3" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0335)

    Z-Flex 3" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0335)

    Z-Flex 3" x 35' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0335)

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

    Regular Price: $257.31

    Special Price: $205.85

    Details
  13. Z-Flex 8" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0803)

    Z-Flex 8" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0803)

    Z-Flex 8" x 3' Double Wall Oil Vent Connector Kit (2OVIKIT0803)

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

    Regular Price: $257.13

    Special Price: $205.71

    Details
  14. Z-Flex 4" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0415)

    Z-Flex 4" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0415)

    Z-Flex 4" x 15' Additional Length of Insul-Vent Pipe (2INSGAC0415)

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

    Regular Price: $256.29

    Special Price: $205.03

    Details
  15. Z-Flex Z-Vent 14" Storm Collar Stainless Steel Venting (2SVDLS14)

    Z-Flex Z-Vent 14" Storm Collar (2SVDLS14)

    Z-Flex Z-Vent 14" Storm Collar (2SVDLS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $255.93

    Special Price: $204.75

    Details
  16. Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Z-Flex Z-Dens 3" Flexible Base to Collinear (2ZDFBCL3)

    Single Walled Learn More

    Regular Price: $255.37

    Special Price: $204.30

    Details
  17. Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Z-Flex Z-Dens 2" Flexible Base to Collinear (2ZDFBCL2)

    Single Walled Learn More

    Regular Price: $255.37

    Special Price: $204.30

    Details
  18. Z-Flex Z-Vent 18" Tee Cap Stainless Steel Venting (2SVDTC18)

    Z-Flex Z-Vent 18" Tee Cap (2SVDTC18)

    Z-Flex Z-Vent 18" Tee Cap (2SVDTC18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $253.24

    Special Price: $202.60

    Details
  19. Z-Flex Z-Vent 16" Tee Cap Stainless Steel Venting (2SVDTC16)

    Z-Flex Z-Vent 16" Tee Cap (2SVDTC16)

    Z-Flex Z-Vent 16" Tee Cap (2SVDTC16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $253.24

    Special Price: $202.60

    Details
  20. Z-Flex Z-Vent 14" Firestop with Support Stainless Steel Venting (2SVSFSS14)

    Z-Flex Z-Vent 16" Firestop with Support (2SVSFSS16)

    Z-Flex Z-Vent 16" Firestop with Support (2SVSFSS16)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $253.10

    Special Price: $202.49

    Details
  21. Z-Flex Z-Vent 14" Wall Thimble Stainless Steel Venting (2SVSWT14)

    Z-Flex Z-Vent 14" Wall Thimble (2SVSWT14)

    Z-Flex Z-Vent 14" Wall Thimble (2SVSWT14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $253.10

    Special Price: $202.49

    Details
  22. Z-Flex 4" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0415)

    Z-Flex 4" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0415)

    Z-Flex 4" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0415)

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

    Regular Price: $253.09

    Special Price: $202.47

    Details
  23. Z-Flex 3" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0315)

    Z-Flex 3" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0315)

    Z-Flex 3" x 15' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0315)

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

    Regular Price: $253.09

    Special Price: $202.47

    Details
  24. Z-Flex 3" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0318)

    Z-Flex 3" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0318)

    Z-Flex 3" x 18' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0318)

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

    Regular Price: $251.56

    Special Price: $201.25

    Details
  25. Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Z-Flex Z-Dens 5" Round Chimney Cover (2ZDCC5)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $251.22

    Special Price: $200.97

    Details
  26. Z-Flex Z-Vent 20" Firestop Spacer Stainless Steel Venting (2SVDFS20)

    Z-Flex Z-Vent 20" Firestop Spacer (2SVDFS20)

    Z-Flex Z-Vent 20" Firestop Spacer (2SVDFS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $251.08

    Special Price: $200.86

    Details
  27. Z-Flex Z-Vent 14" Tee Cap with Drain Stainless Steel Venting (2SVSTCD14)

    Z-Flex Z-Vent 18" Tee Cap with Drain (2SVSTCD18)

    Z-Flex Z-Vent 18" Tee Cap with Drain (2SVSTCD18)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $250.23

    Special Price: $200.19

    Details

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  1. Indoor (1)
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  1. Aluminum (13)
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  1. Flexible (15)
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  12. Z-Vent 6" Single-Wall Venting (1)
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  14. Z-Vent 16" Single-Wall Vent (1)
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  20. Z-Vent 20" Double-Wall Vent (1)
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  1. Z-Flex Chimney Liner (13)
  2. Z-Flex Z-Dens Polypropylene (3)
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  1. Kits (10)
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