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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 4" Inspection Port Length Stainless Steel Venting (2SVSPRT04.5)

    Z-Flex Z-Vent 4" Inspection Port Length (2SVSPRT04.5)

    Z-Flex Z-Vent 4" Inspection Port (2SVSPRT04.5)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $49.43

    Special Price: $39.55

    Details
  2. Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Z-Flex Z-Dens 5" x 24" Polypropylene Vent Pipe - White (2ZDP524)

    Single Walled. Can be cut to length Learn More

    Regular Price: $49.40

    Special Price: $39.53

    Details
  3. Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03)

    Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03)

    Z-Flex Z-Vent 3" Rheem/Paloma Adaptor (2SVPA03) Learn More

    Regular Price: $49.23

    Special Price: $39.39

    Details
  4. Z-Flex 5" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0501)

    Z-Flex 5" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0501)

    Z-Flex 5" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0501)

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

    Regular Price: $48.52

    Special Price: $38.81

    Details
  5. Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Z-Flex Z-Dens 3" Test Port - White (2ZDTP3)

    Single Walled. For gas analysis. Learn More

    Regular Price: $48.36

    Special Price: $38.69

    Details
  6. Z-Flex Z-Dens 2" Fixing Bracket/Support Clamp (2ZDFB2)

    Z-Flex Z-Dens 2" Fixing Bracket/Support Clamp (2ZDFB2)

    Z-Flex Z-Dens 2" Fixing Bracket/Support Clamp (2ZDFB2)

    Single Walled. For securing purposes Learn More

    Regular Price: $48.06

    Special Price: $38.44

    Details
  7. Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

    Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

    Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

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

    Regular Price: $48.04

    Special Price: $38.42

    Details
  8. Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  9. Z-Flex Z-Dens Adaptor - Takagi T-H3-DV/140-540 2� CPVC/PVC Coupling - Stainless Steel (2ZDTA4)

    Z-Flex Z-Dens 4" Adaptor - Takagi T-H3-DV/140-540 - Stainless Steel (2ZDTA4)

    Z-Flex Z-Dens 4" Adaptor - Takagi T-H3-DV/140-540 CPVC/PVC Coupling - Stainless Steel (2ZDTA4)

    Adaptor for Takagi Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  10. Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details

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Application
  1. Commercial,Residential (106)
Color
  1. Black (4)
  2. Grey (1)
  3. White (11)
  4. Silver (90)
Material of Construction
  1. Aluminum (5)
  2. Galvanized Steel (23)
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  4. Stainless Steel AL29-4C (27)
  5. Stainless Steel 304 (1)
  6. Polypropylene (44)
Product Type
  1. Z-Dens 2" Single-Wall Venting (13)
  2. Z-Dens 3" Single-Wall Venting (13)
  3. Z-Dens 4" Single-Wall Venting (11)
  4. Z-Dens 5" Single-Wall Venting (3)
  5. Z-Dens 6" Single-Wall Venting (2)
  6. Z-Dens 8" Single-Wall Venting (2)
  7. Z-Flex 2" Chimney Liner (1)
  8. Z-Flex 3" Chimney Liner (5)
  9. Z-Flex 4" Chimney Liner (6)
  10. Z-Flex 5" Chimney Liner (5)
  11. Z-Flex 6" Chimney Liner (4)
  12. Z-Flex 7" Chimney Liner (4)
  13. Z-Flex 8" Chimney Liner (4)
  14. Z-Flex 9" Chimney Liner (1)
  15. Z-Flex 10" Chimney Liner (1)
  16. Z-Vent 3" Single-Wall Venting (12)
  17. Z-Vent 4" Single-Wall Venting (5)
  18. Z-Vent 7" Single-Wall Venting (1)
  19. Z-Vent 8" Single-Wall Venting (2)
  20. Z-Vent 9" Single-Wall Venting (1)
  21. Z-Vent 10" Single-Wall Vent (1)
  22. Z-Vent 12" Single-Wall Vent (1)
  23. Z-Vent 14" Single-Wall Vent (1)
  24. Z-Vent 16" Single-Wall Vent (1)
  25. Z-Vent 9" Double-Wall Vent (1)
  26. Z-Vent 12" Double-Wall Vent (1)
  27. Z-Vent 14" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (31)
  2. Z-Flex Z-Dens Polypropylene (44)
  3. Z-Flex Z-Vent Dble-Wall SS (3)
  4. Z-Flex Z-Vent Single-Wall SS (28)
Venting Type
  1. Straight Pipes (13)
  2. Elbows (7)
  3. Condensation Drains (2)
  4. Adaptors (20)
  5. Increasers (2)
  6. Terminations (9)
  7. Inspection Ports (2)
  8. Roof Flashings (1)
  9. Supports (23)
  10. Sealant & Clamps (1)
  11. Chimney Liner Connectors (25)
  12. Chimney Liner Lengths (1)
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