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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.

Items 1991 to 2000 of 2199 total

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  1. Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - Black (2ZDP336UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $55.10

    Special Price: $44.08

    Details
  2. Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG6V)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG6V)

    Z-Flex Z-Dens 6" Rigid/Concentric Gasket - Brown (2ZDG6V)

    Requires gasket lubricant Learn More

    Regular Price: $54.97

    Special Price: $43.98

    Details
  3. Z-Flex Z-Vent 18" Guy Band Stainless Steel Venting (2SVDGB18)

    Z-Flex Z-Vent 18" Guy Band (2SVDGB18)

    Z-Flex Z-Vent 18" Guy Band (2SVDGB18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $54.66

    Special Price: $43.73

    Details
  4. Z-Flex 5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0505)

    Z-Flex 5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0505)

    Z-Flex 5" x 5' Length of Aluminum 2-Ply Liner (2GAXXXX0505)

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

    Regular Price: $54.25

    Special Price: $43.40

    Details
  5. Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

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

    Regular Price: $54.08

    Special Price: $43.27

    Details
  6. Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

    Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

    Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

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

    Regular Price: $54.08

    Special Price: $43.27

    Details
  7. Z-Flex Z-Vent 7" Guy Band Stainless Steel Venting (2SVDGB07)

    Z-Flex Z-Vent 7" Guy Band (2SVDGB07)

    Z-Flex Z-Vent 7" Guy Band (2SVDGB07)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $54.08

    Special Price: $43.27

    Details
  8. Z-Flex Z-Dens 2" Concentric Reducer - 3" to 2" - White (2ZDR32)

    Z-Flex Z-Dens 2" Concentric Reducer - 3" to 2" - White (2ZDR32)

    Z-Flex Z-Dens 2" Concentric Reducer - 3" to 2" - White (2ZDR32)

    Single Walled. Can be cut to length Learn More

    Regular Price: $53.89

    Special Price: $43.11

    Details
  9. Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - White (2ZDP336)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - White (2ZDP336)

    Z-Flex Z-Dens 3" x 36" Polypropylene Vent Pipe - White (2ZDP336)

    Single Walled. Can be cut to length Learn More

    Regular Price: $53.79

    Special Price: $43.03

    Details
  10. Z-Flex Z-Dens Adapter IBC SL 4" to 4" 2� CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Adaptor for IBC SL series Learn More

    Regular Price: $53.58

    Special Price: $42.87

    Details

Items 1991 to 2000 of 2199 total

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  1. $0.00 - $999.99 (2019)
  2. $1,000.00 - $1,999.99 (160)
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  4. $3,000.00 and above (1)
Color
  1. Black (30)
  2. Brown (6)
  3. Green (1)
  4. Grey (4)
  5. White (112)
  6. Silver (2041)
Application
  1. Commercial,Residential (2188)
Indoor/Outdoor Installation
  1. Indoor (4)
Venting Type
  1. Kits (406)
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  20. Chimney Liner Lengths (211)
  21. Nose Cones (9)
  22. Insulating Blankets (18)
  23. Decreasers (7)
Product Type
  1. Gas Heater Accessory (4)
  2. Z-Dens 2" Single-Wall Venting (59)
  3. Z-Dens 2"/4" Concentric Vent (12)
  4. Z-Dens 3" Single-Wall Venting (57)
  5. Z-Dens 3"/5" Concentric Vent (12)
  6. Z-Dens 4" Single-Wall Venting (44)
  7. Z-Dens 4"/6" Concentric Vent (10)
  8. Z-Dens 5" Single-Wall Venting (19)
  9. Z-Dens 6" Single-Wall Venting (26)
  10. Z-Dens 8" Single-Wall Venting (20)
  11. Z-Flex 2" Chimney Liner (13)
  12. Z-Flex 3" Chimney Liner (113)
  13. Z-Flex 4" Chimney Liner (122)
  14. Z-Flex 5" Chimney Liner (122)
  15. Z-Flex 5.5" Chimney Liner (38)
  16. Z-Flex 6" Chimney Liner (132)
  17. Z-Flex 7" Chimney Liner (113)
  18. Z-Flex 8" Chimney Liner (118)
  19. Z-Flex 9" Chimney Liner (38)
  20. Z-Flex 10" Chimney Liner (49)
  21. Z-Flex 12" Chimney Liner (1)
  22. Z-Flex 18" Chimney Liner (1)
  23. Z-Vent 3" Single-Wall Venting (46)
  24. Z-Vent 4" Single-Wall Venting (48)
  25. Z-Vent 5" Single-Wall Venting (37)
  26. Z-Vent 6" Single-Wall Venting (40)
  27. Z-Vent 7" Single-Wall Venting (39)
  28. Z-Vent 8" Single-Wall Venting (39)
  29. Z-Vent 9" Single-Wall Venting (31)
  30. Z-Vent 10" Single-Wall Vent (37)
  31. Z-Vent 12" Single-Wall Vent (38)
  32. Z-Vent 14" Single-Wall Vent (32)
  33. Z-Vent 16" Single-Wall Vent (34)
  34. Z-Vent 18" Single-Wall Vent (32)
  35. Z-Vent 20" Single-Wall Vent (31)
  36. Z-Vent 22" Single-Wall Vent (31)
  37. Z-Vent 24" Single-Wall Vent (31)
  38. Z-Vent 3" Double-Wall Vent (30)
  39. Z-Vent 4" Double-Wall Vent (32)
  40. Z-Vent 5" Double-Wall Vent (33)
  41. Z-Vent 6" Double-Wall Vent (40)
  42. Z-Vent 7" Double-Wall Vent (36)
  43. Z-Vent 8" Double-Wall Vent (39)
  44. Z-Vent 9" Double-Wall Vent (32)
  45. Z-Vent 10" Double-Wall Vent (37)
  46. Z-Vent 12" Double-Wall Vent (37)
  47. Z-Vent 14" Double-Wall Vent (35)
  48. Z-Vent 16" Double-Wall Vent (38)
  49. Z-Vent 18" Double-Wall Vent (32)
  50. Z-Vent 20" Double-Wall Vent (32)
  51. Z-Vent 22" Double-Wall Vent (31)
  52. Z-Vent 24" Double-Wall Vent (31)
Material of Construction
  1. Aluminum (433)
  2. Ceramic Fiber (18)
  3. Galvanized Steel (100)
  4. Stainless Steel (171)
  5. Stainless Steel AL29-4C (1177)
  6. Stainless Steel 304 (23)
  7. Polypropylene (260)
Product Sub Type
  1. Concentric (56)
  2. Flexible (692)
  3. Rigid (1435)
Venting Style
  1. Z-Flex Chimney Liner (860)
  2. Z-Flex Z-Dens Polypropylene (260)
  3. Z-Flex Z-Vent Dble-Wall SS (515)
  4. Z-Flex Z-Vent Single-Wall SS (548)
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