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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 8" Wall Thimble Stainless Steel Venting (2SVSWTF08)

    Z-Flex Z-Vent 8" Wall Thimble (2SVSWTF08)

    Z-Flex Z-Vent 8" Wall Thimble (2SVSWTF08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $112.67

    Special Price: $90.14

    Details
  2. Z-Flex Z-Vent 4" x 3' Stainless Steel Vent Pipe (2SVEPWCF0403)

    Z-Flex Z-Vent 4" x 3' Stainless Steel Vent Pipe (2SVEPWCF0403)

    Z-Flex Z-Vent 4" x 3' Stainless Steel Vent Pipe (2SVEPWCF0403)

    Can be cut to length Learn More

    Regular Price: $112.79

    Special Price: $90.23

    Details
  3. Z-Flex Z-Vent 10" Inspection Port Length (2SVSPRT10.5)

    Z-Flex Z-Vent 10" Inspection Port Length (2SVSPRT10.5)

    Z-Flex Z-Vent 10" Inspection Port (2SVSPRT10.5)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $113.08

    Special Price: $90.46

    Details
  4. Z-Flex 3" x 90 Degree Elbow Stainless Steel Venting (2SVEEWCF0390)

    Z-Flex 3" x 90 Degree Elbow Stainless Steel Venting (2SVEEWCF0390)

    Z-Flex Z-Vent 3" x 90 Degree Elbow Stainless Steel Venting (2SVEEWCF0390) Learn More

    Regular Price: $113.33

    Special Price: $90.67

    Details
  5. Z-Flex Z-Vent 8" Termination Coupling Stainless Steel Venting (2SVSTPX08)

    Z-Flex Z-Vent 8" Termination Coupling (2SVSTPX08)

    Z-Flex Z-Vent 8" Termination Coupling (2SVSTPX08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $113.54

    Special Price: $90.84

    Details
  6. Z-Flex 6" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX06)

    Z-Flex 6" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX06)

    Z-Flex 6" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX06)

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

    Regular Price: $113.62

    Special Price: $90.90

    Details
  7. Z-Flex Z-Vent 9" Inspection Port Length (2SVSPRT09.5)

    Z-Flex Z-Vent 9" Inspection Port Length (2SVSPRT09.5)

    Z-Flex Z-Vent 9" Inspection Port (2SVSPRT09.5)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $114.62

    Special Price: $91.70

    Details
  8. Z-Flex 6" x 4' 304 Stainless Steel Rigid Liner (2ZR321F0604)

    Z-Flex 6" x 4' 304 Stainless Steel Rigid Liner (2ZR321F0604)

    Z-Flex 6" x 4' 304 Stainless Steel Rigid Liner (2ZR321F0604)

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

    Regular Price: $114.78

    Special Price: $91.83

    Details
  9. Z-Flex 8" x 3' 304 Stainless Steel Rigid Liner (2ZR321F0803)

    Z-Flex 8" x 3' 304 Stainless Steel Rigid Liner (2ZR321F0803)

    Z-Flex 8" x 3' 304 Stainless Steel Rigid Liner (2ZR321F0803)

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

    Regular Price: $115.20

    Special Price: $92.16

    Details
  10. Z-Flex Z-Vent 8" Firestop Spacer Stainless Steel Venting (2SVSFS08)

    Z-Flex Z-Vent 8" Firestop Spacer (2SVSFS08)

    Z-Flex Z-Vent 8" Firestop Spacer (2SVSFS08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $115.22

    Special Price: $92.17

    Details

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Application
  1. Commercial,Residential (1083)
Color
  1. Black (3)
  2. White (17)
  3. Silver (1063)
Material of Construction
  1. Galvanized Steel (11)
  2. Stainless Steel (29)
  3. Stainless Steel AL29-4C (1000)
  4. Stainless Steel 304 (7)
  5. Polypropylene (36)
Product Type
  1. Z-Dens 2" Single-Wall Venting (4)
  2. Z-Dens 3" Single-Wall Venting (1)
  3. Z-Dens 4" Single-Wall Venting (1)
  4. Z-Dens 5" Single-Wall Venting (7)
  5. Z-Dens 6" Single-Wall Venting (11)
  6. Z-Dens 8" Single-Wall Venting (12)
  7. Z-Flex 3" Chimney Liner (1)
  8. Z-Flex 4" Chimney Liner (3)
  9. Z-Flex 5" Chimney Liner (2)
  10. Z-Flex 5.5" Chimney Liner (1)
  11. Z-Flex 6" Chimney Liner (6)
  12. Z-Flex 7" Chimney Liner (7)
  13. Z-Flex 8" Chimney Liner (10)
  14. Z-Flex 9" Chimney Liner (5)
  15. Z-Flex 10" Chimney Liner (10)
  16. Z-Flex 12" Chimney Liner (1)
  17. Z-Flex 18" Chimney Liner (1)
  18. Z-Vent 3" Single-Wall Venting (8)
  19. Z-Vent 4" Single-Wall Venting (12)
  20. Z-Vent 5" Single-Wall Venting (21)
  21. Z-Vent 6" Single-Wall Venting (26)
  22. Z-Vent 7" Single-Wall Venting (28)
  23. Z-Vent 8" Single-Wall Venting (30)
  24. Z-Vent 9" Single-Wall Venting (28)
  25. Z-Vent 10" Single-Wall Vent (33)
  26. Z-Vent 12" Single-Wall Vent (36)
  27. Z-Vent 14" Single-Wall Vent (30)
  28. Z-Vent 16" Single-Wall Vent (32)
  29. Z-Vent 18" Single-Wall Vent (31)
  30. Z-Vent 20" Single-Wall Vent (30)
  31. Z-Vent 22" Single-Wall Vent (30)
  32. Z-Vent 24" Single-Wall Vent (30)
  33. Z-Vent 3" Double-Wall Vent (23)
  34. Z-Vent 4" Double-Wall Vent (25)
  35. Z-Vent 5" Double-Wall Vent (27)
  36. Z-Vent 6" Double-Wall Vent (33)
  37. Z-Vent 7" Double-Wall Vent (32)
  38. Z-Vent 8" Double-Wall Vent (38)
  39. Z-Vent 9" Double-Wall Vent (30)
  40. Z-Vent 10" Double-Wall Vent (36)
  41. Z-Vent 12" Double-Wall Vent (36)
  42. Z-Vent 14" Double-Wall Vent (34)
  43. Z-Vent 16" Double-Wall Vent (37)
  44. Z-Vent 18" Double-Wall Vent (31)
  45. Z-Vent 20" Double-Wall Vent (31)
  46. Z-Vent 22" Double-Wall Vent (30)
  47. Z-Vent 24" Double-Wall Vent (30)
  48. Z-Vent 26" Double-Wall Vent (30)
  49. Z-Vent 28" Double-Wall Vent (30)
  50. Z-Vent 30" Double-Wall Vent (31)
  51. Z-Vent 32" Double-Wall Vent (31)
Venting Style
  1. Z-Flex Chimney Liner (47)
  2. Z-Flex Z-Dens Polypropylene (36)
  3. Z-Flex Z-Vent Dble-Wall SS (595)
  4. Z-Flex Z-Vent Single-Wall SS (405)
Venting Type
  1. Kits (8)
  2. Straight Pipes (197)
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  6. Condensation Drains (7)
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  11. Terminations (69)
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  13. Roof Flashings (65)
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  16. Aerocowls (3)
  17. Chimney Liner Connectors (13)
  18. Chimney Liner Lengths (7)
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