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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.

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  1. Z-Flex Z-Vent 16" Low Resistance Rain Cap Stainless Steel Venting (2SVDRC16)

    Z-Flex Z-Vent 16" Low Resistance Rain Cap (2SVDRC16)

    Z-Flex Z-Vent 16" Low Resistance Rain Cap (2SVDRC16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $633.80

    Special Price: $507.04

    Details
  2. Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

    Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

    Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

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

    Regular Price: $634.13

    Special Price: $507.31

    Details
  3. Z-Flex Z-Vent 7" to 10" Concentric Increaser Stainless Steel Venting (2SVDI0710)

    Z-Flex Z-Vent 7" to 10" Concentric Increaser (2SVDI0710)

    Z-Flex Z-Vent 7" to 10" Concentric Increaser (2SVDI0710)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $635.71

    Special Price: $508.56

    Details
  4. Z-Flex Z-Vent 24" Base Support Stainless Steel Venting (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $637.84

    Special Price: $510.27

    Details
  5. 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
  6. Z-Flex Z-Vent 14" x 2' Stainless Steel Vent Pipe (2SVDP1402)

    Z-Flex Z-Vent 14" x 2' Stainless Steel Vent Pipe (2SVDP1402)

    Z-Flex Z-Vent 14" x 2' Stainless Steel Vent Pipe (2SVDP1402)

    Double Walled. Can be cut to length Learn More

    Regular Price: $639.79

    Special Price: $511.84

    Details
  7. Z-Flex Z-Vent 14" Stainless Steel Adjustable Vent Pipe (2SVDPA14)

    Z-Flex Z-Vent 14" Stainless Steel Adjustable Vent Pipe (2SVDPA14)

    Z-Flex Z-Vent 14" Stainless Steel Adjustable Vent Pipe (2SVDPA14)

    Adjusts from 11.8 Inches to 18 Inches Learn More

    Regular Price: $639.79

    Special Price: $511.84

    Details
  8. Z-Flex Z-Vent 14" x 114" Stainless Steel Vent Pipe (2SVEP1401.5)

    Z-Flex Z-Vent 22" x 122" Stainless Steel Vent Pipe (2SVEP2201.5)

    Z-Flex Z-Vent 22" x 122" Stainless Steel Vent Pipe (2SVEP2201.5)

    Single Walled. Can be cut to length Learn More

    Regular Price: $641.10

    Special Price: $512.89

    Details
  9. Z-Flex Z-Vent 14" Termination Box Stainless Steel Venting (2SVSRTX14)

    Z-Flex Z-Vent 20" Termination Box (2SVSRTX20)

    Z-Flex Z-Vent 20" Termination Box (2SVSRTX20)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $643.91

    Special Price: $515.13

    Details
  10. Z-Flex Z-Vent 20" Termination Box Stainless Steel Venting (2SVDRTX20)

    Z-Flex Z-Vent 20" Termination Box (2SVDRTX20)

    Z-Flex Z-Vent 20" Termination Box (2SVDRTX20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $643.91

    Special Price: $515.13

    Details

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Application
  1. Commercial,Residential (106)
Material of Construction
  1. Aluminum (32)
  2. Galvanized Steel (3)
  3. Stainless Steel (6)
  4. Stainless Steel AL29-4C (62)
  5. Polypropylene (3)
Product Sub Type
  1. Flexible (43)
  2. Rigid (63)
Product Type
  1. Z-Dens 2" Single-Wall Venting (2)
  2. Z-Dens 8" Single-Wall Venting (1)
  3. Z-Flex 3" Chimney Liner (7)
  4. Z-Flex 4" Chimney Liner (7)
  5. Z-Flex 5" Chimney Liner (4)
  6. Z-Flex 5.5" Chimney Liner (3)
  7. Z-Flex 6" Chimney Liner (9)
  8. Z-Flex 7" Chimney Liner (5)
  9. Z-Flex 8" Chimney Liner (9)
  10. Z-Vent 12" Single-Wall Vent (1)
  11. Z-Vent 16" Single-Wall Vent (7)
  12. Z-Vent 18" Single-Wall Vent (5)
  13. Z-Vent 20" Single-Wall Vent (2)
  14. Z-Vent 22" Single-Wall Vent (2)
  15. Z-Vent 24" Single-Wall Vent (2)
  16. Z-Vent 6" Double-Wall Vent (1)
  17. Z-Vent 7" Double-Wall Vent (5)
  18. Z-Vent 8" Double-Wall Vent (5)
  19. Z-Vent 9" Double-Wall Vent (1)
  20. Z-Vent 10" Double-Wall Vent (1)
  21. Z-Vent 12" Double-Wall Vent (2)
  22. Z-Vent 14" Double-Wall Vent (3)
  23. Z-Vent 16" Double-Wall Vent (9)
  24. Z-Vent 18" Double-Wall Vent (3)
  25. Z-Vent 20" Double-Wall Vent (4)
  26. Z-Vent 22" Double-Wall Vent (2)
  27. Z-Vent 24" Double-Wall Vent (1)
  28. Z-Vent 28" Double-Wall Vent (1)
  29. Z-Vent 30" Double-Wall Vent (1)
  30. Z-Vent 32" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (44)
  2. Z-Flex Z-Dens Polypropylene (3)
  3. Z-Flex Z-Vent Dble-Wall SS (40)
  4. Z-Flex Z-Vent Single-Wall SS (19)
Venting Type
  1. Kits (29)
  2. Straight Pipes (13)
  3. Elbows (7)
  4. Tees (5)
  5. Tee Caps (1)
  6. Adaptors (2)
  7. Increasers (5)
  8. Reducers (2)
  9. Wall Thimbles (1)
  10. Terminations (5)
  11. Roof Flashings (5)
  12. Supports (8)
  13. Rain Caps (6)
  14. Chimney Liner Lengths (17)
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