Huge Sale on Clearance Heaters & Greenstar Boilers!     FREE GROUND SHIPPING on all orders over $199!

 

Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

Call Toll Free Number 1.866.289.4652 | Open 7 Days a Week

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 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

    Z-Flex 3" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0325)

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

    Regular Price: $517.11

    Special Price: $413.69

    Details
  2. Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

    Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

    Z-Flex 3" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0330)

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

    Regular Price: $618.85

    Special Price: $495.08

    Details
  3. Z-Flex 4" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0425)

    Z-Flex 4" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0425)

    Z-Flex 4" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0425)

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

    Regular Price: $672.69

    Special Price: $538.15

    Details
  4. Z-Flex 3" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0335)

    Z-Flex 3" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0335)

    Z-Flex 3" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0335)

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

    Regular Price: $700.12

    Special Price: $560.10

    Details
  5. Z-Flex 3" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0325)

    Z-Flex 3" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0325)

    Z-Flex 3" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0325)

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

    Regular Price: $732.90

    Special Price: $586.32

    Details
  6. 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
  7. 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
  8. 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
  9. 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
  10. Z-Flex 3" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0345)

    Z-Flex 3" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0345)

    Z-Flex 3" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0345)

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

    Regular Price: $882.37

    Special Price: $705.90

    Details
  11. Z-Flex 4" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0430)

    Z-Flex 4" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0430)

    Z-Flex 4" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0430)

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

    Regular Price: $914.05

    Special Price: $731.24

    Details
  12. Z-Flex 4" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0435)

    Z-Flex 4" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0435)

    Z-Flex 4" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0435)

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

    Regular Price: $916.10

    Special Price: $732.88

    Details
  13. Z-Flex 3" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0320)

    Z-Flex 3" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0320)

    Z-Flex 3" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0320)

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

    Regular Price: $928.75

    Special Price: $743.00

    Details
  14. Z-Flex 3" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0335)

    Z-Flex 3" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0335)

    Z-Flex 3" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0335)

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

    Regular Price: $934.05

    Special Price: $747.25

    Details
  15. Z-Flex 5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0525)

    Z-Flex 5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0525)

    Z-Flex 5" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0525)

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

    Regular Price: $944.99

    Special Price: $756.00

    Details
  16. 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
  17. Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

    Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

    Z-Flex 3" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0350)

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

    Regular Price: $974.66

    Special Price: $779.73

    Details
  18. Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

    Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

    Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

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

    Regular Price: $1,009.64

    Special Price: $807.71

    Details
  19. Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

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

    Regular Price: $1,011.45

    Special Price: $809.15

    Details
  20. Z-Flex 3" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0340)

    Z-Flex 3" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0340)

    Z-Flex 3" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0340)

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

    Regular Price: $1,034.86

    Special Price: $827.89

    Details
  21. Z-Flex 4" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0440)

    Z-Flex 4" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0440)

    Z-Flex 4" x 40' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0440)

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

    Regular Price: $1,037.82

    Special Price: $830.25

    Details
  22. 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
  23. Z-Flex 4" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0435)

    Z-Flex 4" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0435)

    Z-Flex 4" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0435)

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

    Regular Price: $1,048.03

    Special Price: $838.42

    Details
  24. Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

    Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

    Z-Flex 6" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0625)

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

    Regular Price: $1,082.54

    Special Price: $866.04

    Details
  25. Z-Flex 5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0530)

    Z-Flex 5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0530)

    Z-Flex 5" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0530)

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

    Regular Price: $1,111.41

    Special Price: $889.12

    Details
  26. 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
  27. Z-Flex 7" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0725)

    Z-Flex 7" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0725)

    Z-Flex 7" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0725)

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

    Regular Price: $1,128.44

    Special Price: $902.75

    Details
  28. Z-Flex 3" x 25' Stainless Steel Flexible Chimney Liner Kit (2KT294C0325)

    Z-Flex 3" x 25' Stainless Steel Flexible Chimney Liner Kit (2KT294C0325)

    Z-Flex 3" x 25' Stainless Steel Flexible Chimney Liner Kit (2KT294C0325)

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

    Regular Price: $1,132.52

    Special Price: $906.02

    Details
  29. Z-Flex 3" x 45' All Fuel Stainless Steel Kit (2ZFLKIT0345)

    Z-Flex 3" x 45' All Fuel Stainless Steel Kit (2ZFLKIT0345)

    Z-Flex 3" x 45' All Fuel Stainless Steel Kit (2ZFLKIT0345)

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

    Regular Price: $1,136.04

    Special Price: $908.83

    Details
  30. Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

    Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

    Z-Flex 6" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0630)

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

    Regular Price: $1,143.33

    Special Price: $914.66

    Details
  31. Z-Flex 4" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0445)

    Z-Flex 4" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0445)

    Z-Flex 4" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0445)

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

    Regular Price: $1,159.64

    Special Price: $927.71

    Details
  32. Z-Flex 5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0535)

    Z-Flex 5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0535)

    Z-Flex 5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0535)

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

    Regular Price: $1,166.48

    Special Price: $933.18

    Details
  33. Z-Flex 4" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0440)

    Z-Flex 4" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0440)

    Z-Flex 4" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0440)

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

    Regular Price: $1,182.20

    Special Price: $945.76

    Details
  34. 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
  35. Z-Flex 7" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0725)

    Z-Flex 7" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0725)

    Z-Flex 7" x 25' All Fuel Stainless Steel Kit (2ZFLKIT0725)

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

    Regular Price: $1,233.75

    Special Price: $987.00

    Details
  36. Z-Flex 3" x 50' All Fuel Stainless Steel Kit (2ZFLKIT0350)

    Z-Flex 3" x 50' All Fuel Stainless Steel Kit (2ZFLKIT0350)

    Z-Flex 3" x 50' All Fuel Stainless Steel Kit (2ZFLKIT0350)

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

    Regular Price: $1,236.19

    Special Price: $988.95

    Details
  37. Z-Flex 4" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0420)

    Z-Flex 4" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0420)

    Z-Flex 4" x 20' Stainless Steel Flexible Chimney Liner Kit (2KT294C0420)

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

    Regular Price: $1,236.54

    Special Price: $989.23

    Details
  38. Z-Flex 8" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0825)

    Z-Flex 8" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0825)

    Z-Flex 8" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0825)

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

    Regular Price: $1,241.00

    Special Price: $992.80

    Details

38 Item(s)

Set Descending Direction
Shop Options
Shop By

Currently Shopping by:

  1. Remove This Item Material of Construction: Stainless Steel AL29-4C
  2. Remove This Item Price: $0.00 - $999.99
  3. Remove This Item Venting Style: Z-Flex Chimney Liner
  4. Remove This Item Venting Type: Kits
Clear All
Application
  1. Commercial,Residential (38)
Color
  1. Silver (38)
Product Sub Type
  1. Flexible (38)
Product Type
  1. Z-Flex 3" Chimney Liner (14)
  2. Z-Flex 4" Chimney Liner (10)
  3. Z-Flex 5" Chimney Liner (4)
  4. Z-Flex 5.5" Chimney Liner (4)
  5. Z-Flex 6" Chimney Liner (3)
  6. Z-Flex 7" Chimney Liner (2)
  7. Z-Flex 8" Chimney Liner (1)
Newsletter
  • Global Pro Tankless Supply, Inc. BBB Business Review
  • website security
  • McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
  • Pro Water Heater Supply accepts all major credit cards and supports Google Checkout and Paypal.
  • Pro Water Heater Supply ships daily via UPS and USPS from warehouses across the US.
  • Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.Pro Water Heater Supply is an Authorized Distributer for Bisch tankless water heaters
  • Pro Water Heater Supply is UpFront
  • Pro Water Heater Supply is an Authorized Distributor for Bosch tankless water heaters and Z-Flex stainless steel vent pipe.