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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 18" x 15 Degree Elbow Stainless Steel Venting (2SVDE1815)

    Z-Flex Z-Vent 18" x 15 Degree Elbow Stainless Steel Venting (2SVDE1815)

    Z-Flex Z-Vent 18" x 15 Degree Elbow Stainless Steel Venting (2SVDE1815)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,009.31

    Special Price: $807.45

    Details
  2. Z-Flex Z-Vent 18" x 30 Degree Elbow Stainless Steel Venting (2SVDE1830)

    Z-Flex Z-Vent 18" x 30 Degree Elbow Stainless Steel Venting (2SVDE1830)

    Z-Flex Z-Vent 18" x 30 Degree Elbow Stainless Steel Venting (2SVDE1830)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,009.31

    Special Price: $807.45

    Details
  3. Z-Flex Z-Vent 18" x 45 Degree Elbow Stainless Steel Venting (2SVDE1845)

    Z-Flex Z-Vent 18" x 45 Degree Elbow Stainless Steel Venting (2SVDE1845)

    Z-Flex Z-Vent 18" x 45 Degree Elbow Stainless Steel Venting (2SVDE1845)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,009.31

    Special Price: $807.45

    Details
  4. Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

    Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

    Z-Flex 5" x 30' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0530)

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

    Regular Price: $1,009.64

    Special Price: $807.71

    Details
  5. Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

    Z-Flex 6" x 25' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0625)

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

    Regular Price: $1,011.45

    Special Price: $809.15

    Details
  6. Z-Flex 8" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0818)

    Z-Flex 8" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0818)

    Z-Flex 8" x 18' Double Wall Oil Vent Connector Kit (2OVIKIT0818)

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

    Regular Price: $1,012.67

    Special Price: $810.13

    Details
  7. Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Z-Flex Z-Vent 24" Single Wall to Double Wall Adaptor (2SVDSA24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,018.43

    Special Price: $814.75

    Details
  8. Z-Flex 10" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1040)

    Z-Flex 10" x 40' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX1040)

    Z-Flex 10" x 40' Length of Aluminum 2-Ply Liner (2GAXXXX1040)

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

    Regular Price: $1,018.83

    Special Price: $815.06

    Details
  9. Z-Flex Z-Vent 12" Boot Tee Stainless Steel Venting (2SVDTBT12)

    Z-Flex Z-Vent 12" Boot Tee (2SVDTBT12)

    Z-Flex Z-Vent 12" Boot Tee (2SVDTBT12)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,018.97

    Special Price: $815.18

    Details
  10. Z-Flex Z-Vent 12" Lateral 45 WYE Stainless Steel Venting (2SVDL1245)

    Z-Flex Z-Vent 12" Lateral 45 WYE (2SVDL1245)

    Z-Flex Z-Vent 12" Lateral 45 WYE (2SVDL1245)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,018.97

    Special Price: $815.18

    Details

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Application
  1. Commercial,Residential (369)
Material of Construction
  1. Aluminum (23)
  2. Ceramic Fiber (1)
  3. Stainless Steel (27)
  4. Stainless Steel AL29-4C (314)
  5. Polypropylene (4)
Product Sub Type
  1. Flexible (155)
  2. Rigid (214)
Product Type
  1. Z-Dens 3" Single-Wall Venting (1)
  2. Z-Dens 4" Single-Wall Venting (3)
  3. Z-Flex 3" Chimney Liner (6)
  4. Z-Flex 4" Chimney Liner (15)
  5. Z-Flex 5" Chimney Liner (18)
  6. Z-Flex 5.5" Chimney Liner (11)
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  8. Z-Flex 7" Chimney Liner (27)
  9. Z-Flex 8" Chimney Liner (26)
  10. Z-Flex 9" Chimney Liner (12)
  11. Z-Flex 10" Chimney Liner (15)
  12. Z-Vent 20" Single-Wall Vent (8)
  13. Z-Vent 22" Single-Wall Vent (11)
  14. Z-Vent 24" Single-Wall Vent (11)
  15. Z-Vent 8" Double-Wall Vent (15)
  16. Z-Vent 10" Double-Wall Vent (1)
  17. Z-Vent 12" Double-Wall Vent (3)
  18. Z-Vent 14" Double-Wall Vent (5)
  19. Z-Vent 16" Double-Wall Vent (11)
  20. Z-Vent 18" Double-Wall Vent (13)
  21. Z-Vent 20" Double-Wall Vent (13)
  22. Z-Vent 22" Double-Wall Vent (16)
  23. Z-Vent 24" Double-Wall Vent (17)
  24. Z-Vent 26" Double-Wall Vent (20)
  25. Z-Vent 28" Double-Wall Vent (22)
  26. Z-Vent 30" Double-Wall Vent (24)
  27. Z-Vent 32" Double-Wall Vent (24)
Venting Style
  1. Z-Flex Chimney Liner (151)
  2. Z-Flex Z-Dens Polypropylene (4)
  3. Z-Flex Z-Vent Dble-Wall SS (184)
  4. Z-Flex Z-Vent Single-Wall SS (30)
Venting Type
  1. Kits (142)
  2. Straight Pipes (41)
  3. Elbows (46)
  4. Tees (43)
  5. Adaptors (5)
  6. Increasers (24)
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  10. Inspection Ports (8)
  11. Roof Flashings (8)
  12. Supports (9)
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  14. Chimney Liner Lengths (10)
  15. Insulating Blankets (1)
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