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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

    • The product Z-Flex Z-Vent 3" Low Resistance Rain Cap (2SVDRC03) has been added to comparison list.
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 6" Flashing 0-30 Degrees Stainless Steel Venting (2SVDFA06)

    Z-Flex Z-Vent 6" Flashing 0-30 Degrees (2SVDFA06)

    Z-Flex Z-Vent 6" Flashing 0-30 Degrees (2SVDFA06)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $174.83

    Special Price: $139.87

    Details
  2. Z-Flex 5" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0505)

    Z-Flex 5" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0505)

    Z-Flex 5" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0505)

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

    Regular Price: $174.70

    Special Price: $139.76

    Details
  3. Z-Flex 4" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0405)

    Z-Flex 4" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0405)

    Z-Flex 4" x 5' Insulating Blanket with Wrap and Gear Clamps (2INSKIT0405)

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

    Regular Price: $174.70

    Special Price: $139.76

    Details
  4. Z-Flex 4" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0409)

    Z-Flex 4" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0409)

    Z-Flex 4" x 9' Gas Insul-Vent Double Wall Insulated Vent - Connector Kit (2ZIKXXX0409)

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

    Regular Price: $174.54

    Special Price: $139.62

    Details
  5. Z-Flex Z-Vent 4" Low Resistance Rain Cap Stainless Steel Venting (2SVDRC04)

    Z-Flex Z-Vent 4" Low Resistance Rain Cap (2SVDRC04)

    Z-Flex Z-Vent 4" Low Resistance Rain Cap (2SVDRC04)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $174.37

    Special Price: $139.50

    Details
  6. Z-Flex Z-Vent 3" Low Resistance Rain Cap Stainless Steel Venting (2SVDRC03)

    Z-Flex Z-Vent 3" Low Resistance Rain Cap (2SVDRC03)

    Z-Flex Z-Vent 3" Low Resistance Rain Cap (2SVDRC03)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $174.33

    Special Price: $139.47

    Details
  7. Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Z-Flex Z-Dens 2" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP2)

    Single Walled. Low-profile alternative Learn More

    Regular Price: $174.11

    Special Price: $139.29

    Details
  8. Z-Flex Z-Vent 5" x 4' Stainless Steel Vent Pipe (2SVEPWC0504)

    Z-Flex Z-Vent 5" x 4' Stainless Steel Vent Pipe (2SVEPWC0504)

    Z-Flex Z-Vent 5" x 4' Stainless Steel Vent Pipe (2SVEPWC0504)

    Single Walled. Can be cut to length Learn More

    Regular Price: $173.97

    Special Price: $139.18

    Details
  9. Z-Flex 4" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0420)

    Z-Flex 4" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0420)

    Z-Flex 4" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0420)

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

    Regular Price: $173.91

    Special Price: $139.14

    Details
  10. Z-Flex 3" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0320)

    Z-Flex 3" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0320)

    Z-Flex 3" x 20' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0320)

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

    Regular Price: $173.91

    Special Price: $139.14

    Details

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Application
  1. Commercial,Residential (46)
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  1. Silver (46)
Material of Construction
  1. Aluminum (12)
  2. Ceramic Fiber (2)
  3. Galvanized Steel (2)
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  2. Rigid (32)
Product Type
  1. Z-Dens 2" Single-Wall Venting (1)
  2. Z-Dens 8" Single-Wall Venting (1)
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  9. Z-Flex 8" Chimney Liner (3)
  10. Z-Flex 10" Chimney Liner (1)
  11. Z-Flex 12" Chimney Liner (1)
  12. Z-Vent 4" Single-Wall Venting (1)
  13. Z-Vent 5" Single-Wall Venting (4)
  14. Z-Vent 6" Single-Wall Venting (1)
  15. Z-Vent 7" Single-Wall Venting (1)
  16. Z-Vent 8" Single-Wall Venting (4)
  17. Z-Vent 9" Single-Wall Venting (1)
  18. Z-Vent 12" Single-Wall Vent (2)
  19. Z-Vent 16" Single-Wall Vent (1)
  20. Z-Vent 3" Double-Wall Vent (2)
  21. Z-Vent 4" Double-Wall Vent (3)
  22. Z-Vent 5" Double-Wall Vent (2)
  23. Z-Vent 6" Double-Wall Vent (2)
  24. Z-Vent 7" Double-Wall Vent (1)
  25. Z-Vent 9" Double-Wall Vent (1)
Venting Style
  1. Z-Flex Chimney Liner (18)
  2. Z-Flex Z-Dens Polypropylene (2)
  3. Z-Flex Z-Vent Dble-Wall SS (11)
  4. Z-Flex Z-Vent Single-Wall SS (15)
Venting Type
  1. Kits (8)
  2. Straight Pipes (6)
  3. Tees (1)
  4. Tee Caps (1)
  5. Increasers (3)
  6. Terminations (3)
  7. Inspection Ports (2)
  8. Roof Flashings (6)
  9. Supports (3)
  10. Rain Caps (2)
  11. Aerocowls (1)
  12. Chimney Liner Connectors (2)
  13. Intake Air Ducts (2)
  14. Chimney Liner Lengths (4)
  15. Insulating Blankets (2)
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  1. Z-Flex Z-Vent 3" Low Resistance Rain Cap (2SVDRC03)

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