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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 10" Stainless Steel Adjustable Vent Pipe (2SVSPA10)

    Z-Flex Z-Vent 10" Stainless Steel Adjustable Vent Pipe (2SVSPA10)

    Z-Flex Z-Vent 10" Stainless Steel Adjustable Vent Pipe (2SVSPA10)

    Adjusts from 11.8 inches to 18 inches Learn More

    Regular Price: $249.78

    Special Price: $199.82

    Details
  2. Z-Flex 5" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0512)

    Z-Flex 5" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0512)

    Z-Flex 5" x 12' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0512)

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

    Regular Price: $249.71

    Special Price: $199.77

    Details
  3. Z-Flex 6" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0605)

    Z-Flex 6" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0605)

    Z-Flex 6" x 5' Flexible Stainless Steel Full Oval Liner (2ZLSSOX0605)

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

    Regular Price: $249.45

    Special Price: $199.56

    Details
  4. Z-Flex 6" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0605)

    Z-Flex 6" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0605)

    Z-Flex 6" x 5' Flexible Stainless Steel Oval to Round Liner (2ZLSSOR0605)

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

    Regular Price: $249.45

    Special Price: $199.56

    Details
  5. Z-Flex 5" x 30' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0530)

    Z-Flex 5" x 30' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0530)

    Z-Flex 5" x 30' Length of Aluminum 2-Ply Liner (2GAXXXX0530)

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

    Regular Price: $249.08

    Special Price: $199.27

    Details
  6. Z-Flex Z-Vent 14" Firestop with Support Stainless Steel Venting (2SVDFSS14)

    Z-Flex Z-Vent 14" Firestop with Support (2SVDFSS14)

    Z-Flex Z-Vent 14" Firestop with Support (2SVDFSS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $248.04

    Special Price: $198.43

    Details
  7. Z-Flex Z-Vent 14" Inspection Port Length (2SVSPRT14.5)

    Z-Flex Z-Vent 16" Inspection Port Length (2SVSPRT16.5)

    Z-Flex Z-Vent 16" Inspection Port (2SVSPRT16.5)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $247.00

    Special Price: $197.60

    Details
  8. Z-Flex Z-Vent 14" Tee Cap with Drain Stainless Steel Venting (2SVDTCD14)

    Z-Flex Z-Vent 14" Tee Cap with Drain (2SVDTCD14)

    Z-Flex Z-Vent 14" Tee Cap with Drain (2SVDTCD14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $246.16

    Special Price: $196.93

    Details
  9. Z-Flex Z-Vent 5" Boot Tee Stainless Steel Venting (2SVSTBT05)

    Z-Flex Z-Vent 5" Boot Tee (2SVSTBT05)

    Z-Flex Z-Vent 5" Boot Tee (2SVSTBT05)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $246.00

    Special Price: $196.80

    Details
  10. Z-Flex Z-Vent 7" Base Support Stainless Steel Venting (2SVDBS07)

    Z-Flex Z-Vent 7" Base Support (2SVDBS07)

    Z-Flex Z-Vent 7" Base Support (2SVDBS07)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $245.81

    Special Price: $196.65

    Details

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Application
  1. Commercial,Residential (416)
Material of Construction
  1. Aluminum (116)
  2. Ceramic Fiber (6)
  3. Galvanized Steel (5)
  4. Stainless Steel (27)
  5. Stainless Steel AL29-4C (242)
  6. Stainless Steel 304 (5)
  7. Polypropylene (15)
Product Sub Type
  1. Concentric (3)
  2. Flexible (130)
  3. Rigid (283)
Product Type
  1. Z-Dens 2" Single-Wall Venting (6)
  2. Z-Dens 3" Single-Wall Venting (3)
  3. Z-Dens 4" Single-Wall Venting (2)
  4. Z-Dens 6" Single-Wall Venting (3)
  5. Z-Dens 8" Single-Wall Venting (1)
  6. Z-Flex 2" Chimney Liner (4)
  7. Z-Flex 3" Chimney Liner (22)
  8. Z-Flex 4" Chimney Liner (22)
  9. Z-Flex 5" Chimney Liner (21)
  10. Z-Flex 5.5" Chimney Liner (3)
  11. Z-Flex 6" Chimney Liner (26)
  12. Z-Flex 7" Chimney Liner (20)
  13. Z-Flex 8" Chimney Liner (19)
  14. Z-Flex 9" Chimney Liner (9)
  15. Z-Flex 10" Chimney Liner (12)
  16. Z-Flex 12" Chimney Liner (1)
  17. Z-Vent 3" Single-Wall Venting (6)
  18. Z-Vent 4" Single-Wall Venting (9)
  19. Z-Vent 5" Single-Wall Venting (21)
  20. Z-Vent 6" Single-Wall Venting (18)
  21. Z-Vent 7" Single-Wall Venting (20)
  22. Z-Vent 8" Single-Wall Venting (12)
  23. Z-Vent 9" Single-Wall Venting (8)
  24. Z-Vent 10" Single-Wall Vent (10)
  25. Z-Vent 12" Single-Wall Vent (10)
  26. Z-Vent 14" Single-Wall Vent (9)
  27. Z-Vent 16" Single-Wall Vent (7)
  28. Z-Vent 18" Single-Wall Vent (3)
  29. Z-Vent 20" Single-Wall Vent (3)
  30. Z-Vent 22" Single-Wall Vent (1)
  31. Z-Vent 24" Single-Wall Vent (1)
  32. Z-Vent 3" Double-Wall Vent (16)
  33. Z-Vent 4" Double-Wall Vent (17)
  34. Z-Vent 5" Double-Wall Vent (14)
  35. Z-Vent 6" Double-Wall Vent (15)
  36. Z-Vent 7" Double-Wall Vent (12)
  37. Z-Vent 8" Double-Wall Vent (1)
  38. Z-Vent 9" Double-Wall Vent (6)
  39. Z-Vent 10" Double-Wall Vent (7)
  40. Z-Vent 12" Double-Wall Vent (6)
  41. Z-Vent 14" Double-Wall Vent (5)
  42. Z-Vent 16" Double-Wall Vent (1)
  43. Z-Vent 18" Double-Wall Vent (1)
  44. Z-Vent 24" Double-Wall Vent (1)
  45. Z-Vent 30" Double-Wall Vent (1)
  46. Z-Vent 32" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (159)
  2. Z-Flex Z-Dens Polypropylene (15)
  3. Z-Flex Z-Vent Dble-Wall SS (104)
  4. Z-Flex Z-Vent Single-Wall SS (138)
Venting Type
  1. Kits (63)
  2. Straight Pipes (46)
  3. Elbows (29)
  4. Tees (20)
  5. Tee Caps (17)
  6. Condensation Drains (3)
  7. Adaptors (12)
  8. Increasers (15)
  9. Wall Thimbles (6)
  10. Terminations (19)
  11. Inspection Ports (7)
  12. Roof Flashings (20)
  13. Supports (51)
  14. Rain Caps (22)
  15. Aerocowls (1)
  16. Chimney Liner Connectors (9)
  17. Intake Air Ducts (19)
  18. Chimney Liner Lengths (51)
  19. Insulating Blankets (6)
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