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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 3" Termination Elbow Stainless Steel Venting (2SVSTEX0390)

    Z-Flex 3" Termination Elbow Stainless Steel Venting (2SVSTEX0390)

    Z-Flex Z-Vent 3" Termination Elbow Stainless Steel Venting (2SVSTEX0390)

    Includes bird screen Learn More

    Regular Price: $124.65

    Special Price: $99.72

    Details
  2. Z-Flex Z-Vent 3" x 12" Stainless Steel Vent Pipe (2SVDP0301)

    Z-Flex Z-Vent 3" x 12" Stainless Steel Vent Pipe (2SVDP0301)

    Z-Flex Z-Vent 3" x 12" Stainless Steel Vent Pipe (2SVDP0301)

    Double Walled. Can be cut to length Learn More

    Regular Price: $124.52

    Special Price: $99.62

    Details
  3. Z-Flex 4" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0420)

    Z-Flex 4" x 20' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0420)

    Z-Flex 4" x 20' Length of Aluminum 2-Ply Liner (2GAXXXX0420)

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

    Regular Price: $124.26

    Special Price: $99.41

    Details
  4. Z-Flex Z-Vent 4" Horizontal Condensation Drain Pipe (2SVEDWCF04)

    Z-Flex Z-Vent 4" Horizontal Condensation Drain Pipe (2SVEDWCF04)

    Z-Flex Z-Vent 4" Horizontal Condensation Drain Pipe (2SVEDWCF04) Learn More

    Regular Price: $124.26

    Special Price: $99.41

    Details
  5. Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

    Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

    Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

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

    Regular Price: $123.72

    Special Price: $98.97

    Details
  6. Z-Flex Z-Vent 6" Flat Flashing Stainless Steel Venting (2SVSF06)

    Z-Flex Z-Vent 6" Flat Flashing (2SVSF06)

    Z-Flex Z-Vent 6" Flat Flashing (2SVSF06)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $123.50

    Special Price: $98.80

    Details
  7. Z-Flex 8" x 6' Gas Single Vent Kit (2SVKXXX0806)

    Z-Flex 8" x 6' Gas Single Vent Kit (2SVKXXX0806)

    Z-Flex 8" x 6' Gas Single Vent Kit (2SVKXXX0806)

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

    Regular Price: $123.14

    Special Price: $98.51

    Details
  8. Z-Flex Z-Vent 4" Termination Box Stainless Steel Venting (2SVDRTX04)

    Z-Flex Z-Vent 4" Termination Box (2SVDRTX04)

    Z-Flex Z-Vent 4" Termination Box (2SVDRTX04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $123.02

    Special Price: $98.42

    Details
  9. Z-Flex 8" Stainless Steel Round to Oval Adapter (2ZRROAX08)

    Z-Flex 8" Stainless Steel Round to Oval Adapter (2ZRROAX08)

    Z-Flex 8" Stainless Steel Round to Oval Adapter (2ZRROAX08)

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

    Regular Price: $122.99

    Special Price: $98.39

    Details
  10. Z-Flex 8" Stainless Steel Oval to Round Adapter (2ZRORAX08)

    Z-Flex 8" Stainless Steel Oval to Round Adapter (2ZRORAX08)

    Z-Flex 8" Stainless Steel Oval to Round Adapter (2ZRORAX08)

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

    Regular Price: $122.99

    Special Price: $98.39

    Details

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Application
  1. Commercial,Residential (555)
Material of Construction
  1. Aluminum (89)
  2. Galvanized Steel (91)
  3. Stainless Steel (76)
  4. Stainless Steel AL29-4C (208)
  5. Stainless Steel 304 (18)
  6. Polypropylene (67)
Product Sub Type
  1. Concentric (9)
  2. Flexible (90)
  3. Rigid (456)
Product Type
  1. Z-Dens 2" Single-Wall Venting (16)
  2. Z-Dens 2"/4" Concentric Vent (2)
  3. Z-Dens 3" Single-Wall Venting (15)
  4. Z-Dens 3"/5" Concentric Vent (1)
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  7. Z-Dens 5" Single-Wall Venting (4)
  8. Z-Dens 6" Single-Wall Venting (9)
  9. Z-Dens 8" Single-Wall Venting (6)
  10. Z-Flex 2" Chimney Liner (9)
  11. Z-Flex 3" Chimney Liner (44)
  12. Z-Flex 4" Chimney Liner (41)
  13. Z-Flex 5" Chimney Liner (46)
  14. Z-Flex 5.5" Chimney Liner (11)
  15. Z-Flex 6" Chimney Liner (42)
  16. Z-Flex 7" Chimney Liner (31)
  17. Z-Flex 8" Chimney Liner (30)
  18. Z-Flex 9" Chimney Liner (10)
  19. Z-Flex 10" Chimney Liner (12)
  20. Z-Vent 3" Single-Wall Venting (41)
  21. Z-Vent 4" Single-Wall Venting (39)
  22. Z-Vent 5" Single-Wall Venting (16)
  23. Z-Vent 6" Single-Wall Venting (16)
  24. Z-Vent 7" Single-Wall Venting (11)
  25. Z-Vent 8" Single-Wall Venting (12)
  26. Z-Vent 9" Single-Wall Venting (5)
  27. Z-Vent 10" Single-Wall Vent (6)
  28. Z-Vent 12" Single-Wall Vent (3)
  29. Z-Vent 14" Single-Wall Vent (2)
  30. Z-Vent 16" Single-Wall Vent (2)
  31. Z-Vent 18" Single-Wall Vent (1)
  32. Z-Vent 20" Single-Wall Vent (1)
  33. Z-Vent 22" Single-Wall Vent (1)
  34. Z-Vent 24" Single-Wall Vent (1)
  35. Z-Vent 3" Double-Wall Vent (10)
  36. Z-Vent 4" Double-Wall Vent (9)
  37. Z-Vent 5" Double-Wall Vent (7)
  38. Z-Vent 6" Double-Wall Vent (7)
  39. Z-Vent 7" Double-Wall Vent (5)
  40. Z-Vent 8" Double-Wall Vent (1)
  41. Z-Vent 9" Double-Wall Vent (3)
  42. Z-Vent 10" Double-Wall Vent (1)
  43. Z-Vent 12" Double-Wall Vent (1)
  44. Z-Vent 14" Double-Wall Vent (1)
  45. Z-Vent 16" Double-Wall Vent (1)
  46. Z-Vent 18" Double-Wall Vent (1)
  47. Z-Vent 20" Double-Wall Vent (1)
  48. Z-Vent 22" Double-Wall Vent (1)
  49. Z-Vent 24" Double-Wall Vent (1)
  50. Z-Vent 26" Double-Wall Vent (1)
  51. Z-Vent 28" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (276)
  2. Z-Flex Z-Dens Polypropylene (67)
  3. Z-Flex Z-Vent Dble-Wall SS (52)
  4. Z-Flex Z-Vent Single-Wall SS (160)
Venting Type
  1. Kits (28)
  2. Straight Pipes (32)
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  16. Sealant & Clamps (2)
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  18. Chimney Liner Connectors (107)
  19. Intake Air Ducts (30)
  20. Chimney Liner Lengths (38)
  21. Nose Cones (9)
  22. Decreasers (7)
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