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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 16" to 22" Concentric Increaser Stainless Steel Venting (2SVDI1622)

    Z-Flex Z-Vent 16" to 22" Concentric Increaser (2SVDI1622)

    Z-Flex Z-Vent 16" to 22" Concentric Increaser (2SVDI1622)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,355.15

    Special Price: $1,084.12

    Details
  2. Z-Flex Z-Vent 16" to 20" Eccentric Increaser Stainless Steel Venting (2SVDIE1620)

    Z-Flex Z-Vent 16" to 20" Eccentric Increaser (2SVDIE1620)

    Z-Flex Z-Vent 16" to 20" Eccentric Increaser (2SVDIE1620)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,355.15

    Special Price: $1,084.12

    Details
  3. Z-Flex Z-Vent 16" to 22" Eccentric Increaser Stainless Steel Venting (2SVDIE1622)

    Z-Flex Z-Vent 16" to 22" Eccentric Increaser (2SVDIE1622)

    Z-Flex Z-Vent 16" to 22" Eccentric Increaser (2SVDIE1622)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,355.15

    Special Price: $1,084.12

    Details
  4. Z-Flex Z-Vent 18" to 20" Concentric Increaser Stainless Steel Venting (2SVDI1820)

    Z-Flex Z-Vent 18" to 20" Concentric Increaser (2SVDI1820)

    Z-Flex Z-Vent 18" to 20" Concentric Increaser (2SVDI1820)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,355.15

    Special Price: $1,084.12

    Details
  5. Z-Flex 7" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0750)

    Z-Flex 7" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0750)

    Z-Flex 7" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0750)

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

    Regular Price: $1,359.04

    Special Price: $1,087.22

    Details
  6. Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

    Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

    Z-Flex 7" x 30' All Fuel Insert Kit (2OILKTX0730I)

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

    Regular Price: $1,363.33

    Special Price: $1,090.66

    Details
  7. Z-Flex Z-Vent 14" Low Resistance Rain Cap Stainless Steel Venting (2SVSRC14)

    Z-Flex Z-Vent 24" Low Resistance Rain Cap (2SVSRC24)

    Z-Flex Z-Vent 24" Low Resistance Rain Cap (2SVSRC24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,366.80

    Special Price: $1,093.43

    Details
  8. Z-Flex Z-Vent 30" Flat Flashing Stainless Steel Venting (2SVDF30)

    Z-Flex Z-Vent 30" Flat Flashing (2SVDF30)

    Z-Flex Z-Vent 30" Flat Flashing (2SVDF30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,368.72

    Special Price: $1,094.97

    Details
  9. Z-Flex 10" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT1050)

    Z-Flex 10" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT1050)

    Z-Flex 10" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT1050)

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

    Regular Price: $1,370.39

    Special Price: $1,096.31

    Details
  10. Z-Flex Z-Vent 20" x 90 Degree Elbow Stainless Steel Venting (2SVDE2090)

    Z-Flex Z-Vent 20" x 90 Degree Elbow Stainless Steel Venting (2SVDE2090)

    Z-Flex Z-Vent 20" x 90 Degree Elbow Stainless Steel Venting (2SVDE2090)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,370.74

    Special Price: $1,096.59

    Details

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Application
  1. Commercial,Residential (207)
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  1. Aluminum (8)
  2. Stainless Steel (18)
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  1. Flexible (91)
  2. Rigid (116)
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  1. Z-Dens 4" Single-Wall Venting (2)
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  9. Z-Flex 9" Chimney Liner (5)
  10. Z-Flex 10" Chimney Liner (6)
  11. Z-Vent 20" Single-Wall Vent (3)
  12. Z-Vent 22" Single-Wall Vent (7)
  13. Z-Vent 24" Single-Wall Vent (10)
  14. Z-Vent 8" Double-Wall Vent (8)
  15. Z-Vent 14" Double-Wall Vent (4)
  16. Z-Vent 16" Double-Wall Vent (8)
  17. Z-Vent 18" Double-Wall Vent (6)
  18. Z-Vent 20" Double-Wall Vent (7)
  19. Z-Vent 22" Double-Wall Vent (11)
  20. Z-Vent 24" Double-Wall Vent (10)
  21. Z-Vent 26" Double-Wall Vent (11)
  22. Z-Vent 28" Double-Wall Vent (9)
  23. Z-Vent 30" Double-Wall Vent (13)
  24. Z-Vent 32" Double-Wall Vent (9)
Venting Style
  1. Z-Flex Chimney Liner (89)
  2. Z-Flex Z-Dens Polypropylene (2)
  3. Z-Flex Z-Vent Dble-Wall SS (96)
  4. Z-Flex Z-Vent Single-Wall SS (20)
Venting Type
  1. Kits (90)
  2. Straight Pipes (19)
  3. Elbows (21)
  4. Tees (23)
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  7. Wall Thimbles (2)
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