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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-Dens 6" End Screen - Stainless Steel (2ZDES8)

    Z-Flex Z-Dens 8" End Screen - Stainless Steel (2ZDES8)

    Z-Flex Z-Dens 8" End Screen - Stainless Steel (2ZDES8)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $68.84

    Special Price: $55.06

    Details
  2. Z-Flex Z-Vent 22" Guy Band Stainless Steel Venting (2SVDGB22)

    Z-Flex Z-Vent 22" Guy Band (2SVDGB22)

    Z-Flex Z-Vent 22" Guy Band (2SVDGB22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $68.86

    Special Price: $55.09

    Details
  3. Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

    Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

    Z-Flex 5" to 6" Stainless Steel Increaser (2IN5I6X)

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

    Regular Price: $69.10

    Special Price: $55.29

    Details
  4. Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $69.10

    Special Price: $55.29

    Details
  5. Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

    Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

    Z-Flex 6" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0602)

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

    Regular Price: $70.13

    Special Price: $56.11

    Details
  6. Z-Flex Z-Vent 4" Firestop Spacer Stainless Steel Venting (2SVSFSF04)

    Z-Flex Z-Vent 4" Firestop Spacer (2SVSFSF04)

    Z-Flex Z-Vent 4" Firestop Spacer (2SVSFSF04)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $70.56

    Special Price: $56.45

    Details
  7. Z-Flex Z-Vent 4" x 18" Stainless Steel Vent Pipe (2SVEPWCF0401.5)

    Z-Flex Z-Vent 4" x 18" Stainless Steel Vent Pipe (2SVEPWCF0401.5)

    Z-Flex Z-Vent 4" x 18" Stainless Steel Vent Pipe (2SVEPWCF0401.5)

    Can be cut to length Learn More

    Regular Price: $70.92

    Special Price: $56.74

    Details
  8. Z-Flex Z-Vent 5" Termination Coupling Stainless Steel Venting (2SVSTPX05)

    Z-Flex Z-Vent 5" Termination Coupling (2SVSTPX05)

    Z-Flex Z-Vent 5" Termination Coupling (2SVSTPX05)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $70.96

    Special Price: $56.76

    Details
  9. Z-Flex Z-Dens 2" Wall Plate Termination (2ZDWPT24)

    Z-Flex Z-Dens 2" Wall Plate Termination (2ZDWPT24)

    Z-Flex Z-Dens 2" Wall Plate Termination (2ZDWPT24)

    Single Walled. For termination purposes Learn More

    Regular Price: $70.97

    Special Price: $56.78

    Details
  10. Z-Flex Z-Vent 7" x 6" Stainless Steel Vent Pipe (2SVEP07.5)

    Z-Flex Z-Vent 7" x 6" Stainless Steel Vent Pipe (2SVEP07.5)

    Z-Flex Z-Vent 7" x 6" Stainless Steel Vent Pipe (2SVEP07.5)

    Single Walled. Can be cut to length Learn More

    Regular Price: $71.52

    Special Price: $57.21

    Details

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Application
  1. Commercial,Residential (70)
Color
  1. Grey (1)
  2. White (1)
  3. Silver (68)
Material of Construction
  1. Galvanized Steel (22)
  2. Stainless Steel (9)
  3. Stainless Steel AL29-4C (28)
  4. Stainless Steel 304 (4)
  5. Polypropylene (7)
Product Type
  1. Z-Dens 2" Single-Wall Venting (2)
  2. Z-Dens 3" Single-Wall Venting (2)
  3. Z-Dens 4" Single-Wall Venting (1)
  4. Z-Dens 6" Single-Wall Venting (1)
  5. Z-Dens 8" Single-Wall Venting (1)
  6. Z-Flex 3" Chimney Liner (4)
  7. Z-Flex 4" Chimney Liner (6)
  8. Z-Flex 5" Chimney Liner (9)
  9. Z-Flex 6" Chimney Liner (6)
  10. Z-Flex 7" Chimney Liner (1)
  11. Z-Flex 8" Chimney Liner (4)
  12. Z-Flex 9" Chimney Liner (2)
  13. Z-Flex 10" Chimney Liner (3)
  14. Z-Vent 3" Single-Wall Venting (5)
  15. Z-Vent 4" Single-Wall Venting (4)
  16. Z-Vent 5" Single-Wall Venting (5)
  17. Z-Vent 6" Single-Wall Venting (4)
  18. Z-Vent 7" Single-Wall Venting (2)
  19. Z-Vent 8" Single-Wall Venting (1)
  20. Z-Vent 22" Single-Wall Vent (1)
  21. Z-Vent 24" Single-Wall Vent (1)
  22. Z-Vent 3" Double-Wall Vent (1)
  23. Z-Vent 4" Double-Wall Vent (1)
  24. Z-Vent 5" Double-Wall Vent (1)
  25. Z-Vent 9" Double-Wall Vent (1)
  26. Z-Vent 22" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (35)
  2. Z-Flex Z-Dens Polypropylene (7)
  3. Z-Flex Z-Vent Dble-Wall SS (5)
  4. Z-Flex Z-Vent Single-Wall SS (23)
Venting Type
  1. Straight Pipes (9)
  2. Elbows (2)
  3. Tee Caps (5)
  4. Condensation Drains (1)
  5. Adaptors (4)
  6. Increasers (4)
  7. Reducers (1)
  8. Wall Thimbles (1)
  9. Terminations (4)
  10. Supports (8)
  11. Rain Caps (2)
  12. Aerocowls (2)
  13. Chimney Liner Connectors (21)
  14. Chimney Liner Lengths (4)
  15. Decreasers (2)
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