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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 5' Smoothcore All Fuels Chimney Liner (2ZLSCXX0605)

    Z-Flex 6" x 5' Smoothcore All Fuels Chimney Liner (2ZLSCXX0605)

    Z-Flex 6" x 5' Length of Aluminum 2-Ply Liner (2ZLSCXX0605)

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

    Regular Price: $237.67

    Special Price: $190.14

    Details
  2. Z-Flex Z-Vent 7" x 4' Stainless Steel Vent Pipe (2SVEP0704)

    Z-Flex Z-Vent 7" x 4' Stainless Steel Vent Pipe (2SVEP0704)

    Z-Flex Z-Vent 7" x 4' Stainless Steel Vent Pipe (2SVEP0704)

    Single Walled. Can be cut to length Learn More

    Regular Price: $237.13

    Special Price: $189.70

    Details
  3. Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVDALM4)

    Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVDALM4)

    Z-Flex Z-Vent 4" Stainless Steel Adjustable Vent Pipe (2SVDALM4)

    Adjusts from 11.4 Inches to 14 Inches Learn More

    Regular Price: $236.61

    Special Price: $189.29

    Details
  4. Z-Flex Z-Vent 4" x 2' Stainless Steel Vent Pipe (2SVDP0402)

    Z-Flex Z-Vent 4" x 2' Stainless Steel Vent Pipe (2SVDP0402)

    Z-Flex Z-Vent 4" x 2' Stainless Steel Vent Pipe (2SVDP0402)

    Double Walled. Can be cut to length Learn More

    Regular Price: $236.61

    Special Price: $189.29

    Details
  5. Z-Flex Z-Vent 24" Clamp Band Stainless Steel Venting (2SVSCB14)

    Z-Flex Z-Vent 24" Clamp Band (2SVDCB24)

    Z-Flex Z-Vent 24" Clamp Band (2SVDCB24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $236.19

    Special Price: $188.95

    Details
  6. Z-Flex Z-Vent 10" Flat Flashing Stainless Steel Venting (2SVSF10)

    Z-Flex Z-Vent 10" Flat Flashing (2SVSF10)

    Z-Flex Z-Vent 10" Flat Flashing (2SVSF10)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $236.16

    Special Price: $188.93

    Details
  7. Z-Flex 5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0520)

    Z-Flex 5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0520)

    Z-Flex 5" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0520)

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

    Regular Price: $235.68

    Special Price: $188.54

    Details
  8. Z-Flex Z-Vent 6" Inspection Port Length Stainless Steel Venting (2SVDPRT06.5)

    Z-Flex Z-Vent 6" Inspection Port Length (2SVDPRT06.5)

    Z-Flex Z-Vent 6" Inspection Port Length (2SVDPRT06.5)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $235.21

    Special Price: $188.17

    Details
  9. Z-Flex Z-Vent 5" x 30 Degree Elbow Stainless Steel Venting (2SVDE0530)

    Z-Flex Z-Vent 5" x 30 Degree Elbow Stainless Steel Venting (2SVDE0530)

    Z-Flex Z-Vent 5" x 30 Degree Elbow Stainless Steel Venting (2SVDE0530)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $234.38

    Special Price: $187.51

    Details
  10. Z-Flex Z-Vent 5" x 45 Degree Elbow Stainless Steel Venting (2SVDE0545)

    Z-Flex Z-Vent 5" x 45 Degree Elbow Stainless Steel Venting (2SVDE0545)

    Z-Flex Z-Vent 5" x 45 Degree Elbow Stainless Steel Venting (2SVDE0545)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $234.37

    Special Price: $187.50

    Details

Items 41 to 50 of 417 total

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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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