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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 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

    Z-Flex 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

    Z-Flex 6" x 30' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0630)

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

    Regular Price: $356.89

    Special Price: $285.52

    Details
  2. Z-Flex 3" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0309)

    Z-Flex 3" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0309)

    Z-Flex 3" x 9' Additional Length of Double Wall Oil Vent Pipe (2OILVNT0309)

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

    Regular Price: $355.96

    Special Price: $284.77

    Details
  3. Z-Flex Z-Vent 12" Exit Cone - Vertical Termination Stainless Steel Venting (2SVSXITC12)

    Z-Flex Z-Vent 12" Exit Cone - Vertical Termination (2SVSXITC12)

    Z-Flex Z-Vent 12" Exit Cone - Vertical Termination (2SVSXITC12)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $354.81

    Special Price: $283.85

    Details
  4. Z-Flex 6" x 10' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0610)

    Z-Flex 6" x 10' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0610)

    Z-Flex 6" x 10' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0610)

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

    Regular Price: $354.27

    Special Price: $283.42

    Details
  5. Z-Flex 4" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0412)

    Z-Flex 4" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0412)

    Z-Flex 4" x 12' Single Wall Oil Vent Connector Kit (2OVSKIT0412)

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

    Regular Price: $353.66

    Special Price: $282.93

    Details
  6. Z-Flex Z-Vent 10" Wall Support Stainless Steel Venting (2SVDWS10)

    Z-Flex Z-Vent 10" Wall Support (2SVDWS10)

    Z-Flex Z-Vent 10" Wall Support (2SVDWS10)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $353.35

    Special Price: $282.68

    Details
  7. Z-Flex Z-Vent 10" Rain Cap with Wind Band Stainless Steel Venting (2SVSRCX10)

    Z-Flex Z-Vent 10" Rain Cap with Wind Band (2SVSRCX10)

    Z-Flex Z-Vent 10" Rain Cap with Wind Band (2SVSRCX10)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $353.15

    Special Price: $282.53

    Details
  8. Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

    Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

    Z-Flex 6" x 6' Double Wall Oil Vent Connector Kit (2OVIKIT0606)

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

    Regular Price: $352.79

    Special Price: $282.22

    Details
  9. Z-Flex 4" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0440)

    Z-Flex 4" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0440)

    Z-Flex 4" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0440)

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

    Regular Price: $352.53

    Special Price: $282.03

    Details
  10. Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL412)

    Single Walled. Can be cut to length Learn More

    Regular Price: $352.00

    Special Price: $281.60

    Details

Items 31 to 40 of 274 total

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Application
  1. Commercial,Residential (272)
Material of Construction
  1. Aluminum (81)
  2. Ceramic Fiber (3)
  3. Galvanized Steel (1)
  4. Stainless Steel (8)
  5. Stainless Steel AL29-4C (169)
  6. Polypropylene (10)
Product Sub Type
  1. Concentric (5)
  2. Flexible (94)
  3. Rigid (173)
Product Type
  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 2"/4" Concentric Vent (1)
  3. Z-Dens 3" Single-Wall Venting (1)
  4. Z-Dens 3"/5" Concentric Vent (1)
  5. Z-Dens 4" Single-Wall Venting (2)
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  7. Z-Dens 5" Single-Wall Venting (1)
  8. Z-Dens 8" Single-Wall Venting (2)
  9. Z-Flex 3" Chimney Liner (15)
  10. Z-Flex 4" Chimney Liner (18)
  11. Z-Flex 5" Chimney Liner (13)
  12. Z-Flex 5.5" Chimney Liner (7)
  13. Z-Flex 6" Chimney Liner (14)
  14. Z-Flex 7" Chimney Liner (10)
  15. Z-Flex 8" Chimney Liner (11)
  16. Z-Flex 9" Chimney Liner (2)
  17. Z-Flex 10" Chimney Liner (2)
  18. Z-Flex 18" Chimney Liner (1)
  19. Z-Vent 6" Single-Wall Venting (5)
  20. Z-Vent 7" Single-Wall Venting (6)
  21. Z-Vent 8" Single-Wall Venting (11)
  22. Z-Vent 9" Single-Wall Venting (15)
  23. Z-Vent 10" Single-Wall Vent (12)
  24. Z-Vent 12" Single-Wall Vent (12)
  25. Z-Vent 14" Single-Wall Vent (8)
  26. Z-Vent 16" Single-Wall Vent (6)
  27. Z-Vent 18" Single-Wall Vent (8)
  28. Z-Vent 20" Single-Wall Vent (3)
  29. Z-Vent 22" Single-Wall Vent (4)
  30. Z-Vent 24" Single-Wall Vent (4)
  31. Z-Vent 3" Double-Wall Vent (3)
  32. Z-Vent 4" Double-Wall Vent (3)
  33. Z-Vent 5" Double-Wall Vent (6)
  34. Z-Vent 6" Double-Wall Vent (8)
  35. Z-Vent 7" Double-Wall Vent (8)
  36. Z-Vent 8" Double-Wall Vent (3)
  37. Z-Vent 9" Double-Wall Vent (11)
  38. Z-Vent 10" Double-Wall Vent (11)
  39. Z-Vent 12" Double-Wall Vent (4)
  40. Z-Vent 14" Double-Wall Vent (4)
  41. Z-Vent 16" Double-Wall Vent (4)
  42. Z-Vent 18" Double-Wall Vent (4)
  43. Z-Vent 20" Double-Wall Vent (2)
  44. Z-Vent 22" Double-Wall Vent (1)
  45. Z-Vent 24" Double-Wall Vent (1)
  46. Z-Vent 26" Double-Wall Vent (1)
  47. Z-Vent 28" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (93)
  2. Z-Flex Z-Dens Polypropylene (10)
  3. Z-Flex Z-Vent Dble-Wall SS (75)
  4. Z-Flex Z-Vent Single-Wall SS (94)
Venting Type
  1. Kits (49)
  2. Straight Pipes (24)
  3. Elbows (21)
  4. Tees (7)
  5. Tee Caps (11)
  6. Adaptors (6)
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  15. Aerocowls (1)
  16. Chimney Liner Lengths (44)
  17. Insulating Blankets (3)
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