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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" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04)

    Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04)

    Z-Flex Z-Vent 4" Sta-Rite/Pentair Pool Heater Adaptor (4STPHA04) Learn More

    Regular Price: $55.11

    Special Price: $44.09

    Details
  2. Z-Flex 4" Bosch 125FX / 425EF Adaptor Stainless Steel Vent (2SVFX04)

    Z-Flex 4" Bosch 125FX / 425EF Adaptor Stainless Steel Vent (2SVFX04)

    Z-Flex Z-Vent 4" Bosch 125FX / 425EF Adaptor Stainless Steel Venting (2SVFX04) Learn More

    Regular Price: $55.11

    Special Price: $44.09

    Details
  3. Z-Flex Z-Vent 18" Guy Band Stainless Steel Venting (2SVDGB18)

    Z-Flex Z-Vent 18" Guy Band (2SVDGB18)

    Z-Flex Z-Vent 18" Guy Band (2SVDGB18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $54.66

    Special Price: $43.73

    Details
  4. Z-Flex 5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0505)

    Z-Flex 5" x 5' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0505)

    Z-Flex 5" x 5' Length of Aluminum 2-Ply Liner (2GAXXXX0505)

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

    Regular Price: $54.25

    Special Price: $43.40

    Details
  5. Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

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

    Regular Price: $54.08

    Special Price: $43.27

    Details
  6. Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

    Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

    Z-Flex 7" x 1' 304 Stainless Steel Rigid Liner (2ZR321F0701)

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

    Regular Price: $54.08

    Special Price: $43.27

    Details
  7. Z-Flex Z-Vent 7" Guy Band Stainless Steel Venting (2SVDGB07)

    Z-Flex Z-Vent 7" Guy Band (2SVDGB07)

    Z-Flex Z-Vent 7" Guy Band (2SVDGB07)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $54.08

    Special Price: $43.27

    Details
  8. Z-Flex Z-Dens Adapter IBC SL 4" to 4" 2� CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Adaptor for IBC SL series Learn More

    Regular Price: $53.58

    Special Price: $42.87

    Details
  9. Z-Flex 3" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0320)

    Z-Flex 3" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0320)

    Z-Flex 3" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0320)

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

    Regular Price: $53.50

    Special Price: $42.79

    Details
  10. Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT06)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT06)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT06)

    Adaptor for Laars MagnaTherm Learn More

    Regular Price: $53.02

    Special Price: $42.41

    Details

Items 41 to 50 of 68 total

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Application
  1. Commercial,Residential (68)
Material of Construction
  1. Aluminum (9)
  2. Galvanized Steel (9)
  3. Stainless Steel (13)
  4. Stainless Steel AL29-4C (24)
  5. Stainless Steel 304 (2)
  6. Polypropylene (11)
Product Sub Type
  1. Concentric (2)
  2. Flexible (9)
  3. Rigid (57)
Product Type
  1. Z-Dens 3" Single-Wall Venting (1)
  2. Z-Dens 4" Single-Wall Venting (4)
  3. Z-Dens 5" Single-Wall Venting (1)
  4. Z-Dens 6" Single-Wall Venting (5)
  5. Z-Flex 2" Chimney Liner (2)
  6. Z-Flex 3" Chimney Liner (7)
  7. Z-Flex 4" Chimney Liner (4)
  8. Z-Flex 5" Chimney Liner (6)
  9. Z-Flex 5.5" Chimney Liner (3)
  10. Z-Flex 6" Chimney Liner (5)
  11. Z-Flex 7" Chimney Liner (4)
  12. Z-Flex 8" Chimney Liner (1)
  13. Z-Flex 9" Chimney Liner (1)
  14. Z-Vent 3" Single-Wall Venting (2)
  15. Z-Vent 4" Single-Wall Venting (6)
  16. Z-Vent 5" Single-Wall Venting (2)
  17. Z-Vent 6" Single-Wall Venting (1)
  18. Z-Vent 7" Single-Wall Venting (1)
  19. Z-Vent 10" Single-Wall Vent (1)
  20. Z-Vent 18" Single-Wall Vent (1)
  21. Z-Vent 20" 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 6" Double-Wall Vent (1)
  26. Z-Vent 7" Double-Wall Vent (1)
  27. Z-Vent 10" Double-Wall Vent (1)
  28. Z-Vent 16" Double-Wall Vent (1)
  29. Z-Vent 18" Double-Wall Vent (1)
  30. Z-Vent 20" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (33)
  2. Z-Flex Z-Dens Polypropylene (11)
  3. Z-Flex Z-Vent Dble-Wall SS (9)
  4. Z-Flex Z-Vent Single-Wall SS (15)
Venting Type
  1. Kits (1)
  2. Elbows (5)
  3. Tee Caps (4)
  4. Adaptors (11)
  5. Increasers (1)
  6. Terminations (3)
  7. Supports (17)
  8. Rain Caps (4)
  9. Chimney Liner Connectors (11)
  10. Intake Air Ducts (6)
  11. Chimney Liner Lengths (4)
  12. Decreasers (1)
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