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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 5" Z-Max Cap (2ZMRCS05)

    Z-Flex 5" Z-Max Cap (2ZMRCS05)

    Z-Flex 5" Stainless Steel Z-Max Cap (2ZMRCS05)

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

    Regular Price: $111.46

    Special Price: $89.17

    Details
  2. Z-Flex 6" Stainless Steel Deluxe Rain Cap (2RNCAPS06)

    Z-Flex 6" Stainless Steel Deluxe Rain Cap (2RNCAPS06)

    Z-Flex 6" Stainless Steel Deluxe Rain Cap (2RNCAPS06)

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

    Regular Price: $111.30

    Special Price: $89.04

    Details
  3. Z-Flex 7" Stainless Steel Round to Oval Adapter (2ZRROAX07)

    Z-Flex 7" Stainless Steel Round to Oval Adapter (2ZRROAX07)

    Z-Flex 7" Stainless Steel Round to Oval Adapter (2ZRROAX07)

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

    Regular Price: $110.69

    Special Price: $88.55

    Details
  4. Z-Flex 7" Stainless Steel Oval to Round Adapter (2ZRORAX07)

    Z-Flex 7" Stainless Steel Oval to Round Adapter (2ZRORAX07)

    Z-Flex 7" Stainless Steel Oval to Round Adapter (2ZRORAX07)

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

    Regular Price: $110.69

    Special Price: $88.55

    Details
  5. Z-Flex Z-Vent 28" Guy Band Stainless Steel Venting (2SVDGB28)

    Z-Flex Z-Vent 28" Guy Band (2SVDGB28)

    Z-Flex Z-Vent 28" Guy Band (2SVDGB28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $110.55

    Special Price: $88.44

    Details
  6. Z-Flex Z-Vent 5" Flat Flashing Stainless Steel Venting (2SVSF05)

    Z-Flex Z-Vent 5" Flat Flashing (2SVSF05)

    Z-Flex Z-Vent 5" Flat Flashing (2SVSF05)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $110.49

    Special Price: $88.39

    Details
  7. Z-Flex Z-Vent 5" Firestop Spacer Stainless Steel Venting (2SVDFS05)

    Z-Flex Z-Vent 5" Firestop Spacer (2SVDFS05)

    Z-Flex Z-Vent 5" Firestop Spacer (2SVDFS05)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $110.47

    Special Price: $88.38

    Details
  8. Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Z-Flex Z-Vent 8" Universal Adaptor (2SVSA08)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $110.15

    Special Price: $88.12

    Details
  9. Z-Flex Z-Vent 5" x 6" Stainless Steel Vent Pipe (2SVDP05.5)

    Z-Flex Z-Vent 5" x 6" Stainless Steel Vent Pipe (2SVDP05.5)

    Z-Flex Z-Vent 5" x 6" Stainless Steel Vent Pipe (2SVDP05.5)

    Double Walled. Can be cut to length Learn More

    Regular Price: $109.86

    Special Price: $87.89

    Details
  10. Z-Flex Z-Vent 3" Vertical Condensation Drain Tee (2SVEVWCF03)

    Z-Flex Z-Vent 3" Vertical Condensation Drain Tee (2SVEVWCF03)

    Z-Flex Z-Vent 3" Vertical Condensation Drain Tee (2SVEVWCF03) Learn More

    Regular Price: $109.77

    Special Price: $87.81

    Details

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Application
  1. Commercial,Residential (55)
Color
  1. White (2)
  2. Silver (53)
Material of Construction
  1. Galvanized Steel (9)
  2. Stainless Steel (9)
  3. Stainless Steel AL29-4C (30)
  4. Stainless Steel 304 (2)
  5. Polypropylene (5)
Product Type
  1. Z-Dens 4" Single-Wall Venting (1)
  2. Z-Dens 5" Single-Wall Venting (1)
  3. Z-Dens 6" Single-Wall Venting (1)
  4. Z-Dens 8" Single-Wall Venting (2)
  5. Z-Flex 4" Chimney Liner (3)
  6. Z-Flex 5" Chimney Liner (4)
  7. Z-Flex 5.5" Chimney Liner (1)
  8. Z-Flex 6" Chimney Liner (3)
  9. Z-Flex 7" Chimney Liner (5)
  10. Z-Flex 8" Chimney Liner (3)
  11. Z-Flex 10" Chimney Liner (1)
  12. Z-Vent 3" Single-Wall Venting (2)
  13. Z-Vent 4" Single-Wall Venting (6)
  14. Z-Vent 5" Single-Wall Venting (2)
  15. Z-Vent 6" Single-Wall Venting (2)
  16. Z-Vent 7" Single-Wall Venting (2)
  17. Z-Vent 8" Single-Wall Venting (2)
  18. Z-Vent 9" Single-Wall Venting (1)
  19. Z-Vent 10" Single-Wall Vent (1)
  20. Z-Vent 16" Single-Wall Vent (1)
  21. Z-Vent 3" Double-Wall Vent (1)
  22. Z-Vent 4" Double-Wall Vent (2)
  23. Z-Vent 5" Double-Wall Vent (2)
  24. Z-Vent 6" Double-Wall Vent (4)
  25. Z-Vent 7" Double-Wall Vent (1)
  26. Z-Vent 28" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (20)
  2. Z-Flex Z-Dens Polypropylene (5)
  3. Z-Flex Z-Vent Dble-Wall SS (11)
  4. Z-Flex Z-Vent Single-Wall SS (19)
Venting Type
  1. Straight Pipes (6)
  2. Elbows (5)
  3. Tees (3)
  4. Tee Caps (4)
  5. Condensation Drains (2)
  6. Adaptors (3)
  7. Wall Thimbles (2)
  8. Terminations (4)
  9. Roof Flashings (1)
  10. Supports (8)
  11. Rain Caps (4)
  12. Chimney Liner Connectors (11)
  13. Chimney Liner Lengths (2)
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