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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 14" x 3' Stainless Steel Vent Pipe (2SVEP1403)

    Z-Flex Z-Vent 24" x 3' Stainless Steel Vent Pipe (2SVEP2403)

    Z-Flex Z-Vent 24" x 3' Stainless Steel Vent Pipe (2SVEP2403)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,263.14

    Special Price: $1,010.51

    Details
  2. Z-Flex Z-Vent 18" Straight Tee (2SVDT18)

    Z-Flex Z-Vent 18" Straight Tee (2SVDT18)

    Z-Flex Z-Vent 18" Straight Tee (2SVDT18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,264.01

    Special Price: $1,011.21

    Details
  3. Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

    Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

    Z-Flex 8" x 25' All Fuel Insert Kit (2OILKTX0825I)

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

    Regular Price: $1,265.81

    Special Price: $1,012.64

    Details
  4. Z-Flex Z-Vent 30" Wall Thimble Stainless Steel Venting (2SVDWT30)

    Z-Flex Z-Vent 30" Wall Thimble (2SVDWT30)

    Z-Flex Z-Vent 30" Wall Thimble (2SVDWT30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,267.93

    Special Price: $1,014.35

    Details
  5. Z-Flex 7" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0740)

    Z-Flex 7" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0740)

    Z-Flex 7" x 40' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0740)

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

    Regular Price: $1,275.99

    Special Price: $1,020.80

    Details
  6. Z-Flex 5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0535)

    Z-Flex 5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0535)

    Z-Flex 5" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0535)

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

    Regular Price: $1,277.45

    Special Price: $1,021.96

    Details
  7. Z-Flex 4" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0450)

    Z-Flex 4" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0450)

    Z-Flex 4" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0450)

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

    Regular Price: $1,281.13

    Special Price: $1,024.91

    Details
  8. Z-Flex 9" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0950)

    Z-Flex 9" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0950)

    Z-Flex 9" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0950)

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

    Regular Price: $1,296.08

    Special Price: $1,036.87

    Details
  9. Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

    Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

    Z-Flex 5.5" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-535)

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

    Regular Price: $1,296.79

    Special Price: $1,037.43

    Details
  10. Z-Flex Z-Vent 26" Wall Support Stainless Steel Venting (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,299.29

    Special Price: $1,039.43

    Details

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Application
  1. Commercial,Residential (252)
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  1. Silver (252)
Material of Construction
  1. Aluminum (7)
  2. Stainless Steel (18)
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  4. Polypropylene (2)
Product Sub Type
  1. Flexible (105)
  2. Rigid (147)
Product Type
  1. Z-Dens 4" Single-Wall Venting (2)
  2. Z-Flex 3" Chimney Liner (2)
  3. Z-Flex 4" Chimney Liner (6)
  4. Z-Flex 5" Chimney Liner (13)
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  6. Z-Flex 6" Chimney Liner (16)
  7. Z-Flex 7" Chimney Liner (21)
  8. Z-Flex 8" Chimney Liner (21)
  9. Z-Flex 9" Chimney Liner (7)
  10. Z-Flex 10" Chimney Liner (9)
  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 (11)
  15. Z-Vent 14" Double-Wall Vent (2)
  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 (8)
  20. Z-Vent 24" Double-Wall Vent (9)
  21. Z-Vent 26" Double-Wall Vent (16)
  22. Z-Vent 28" Double-Wall Vent (17)
  23. Z-Vent 30" Double-Wall Vent (21)
  24. Z-Vent 32" Double-Wall Vent (22)
Venting Style
  1. Z-Flex Chimney Liner (103)
  2. Z-Flex Z-Dens Polypropylene (2)
  3. Z-Flex Z-Vent Dble-Wall SS (127)
  4. Z-Flex Z-Vent Single-Wall SS (20)
Venting Type
  1. Kits (104)
  2. Straight Pipes (23)
  3. Elbows (31)
  4. Tees (35)
  5. Adaptors (3)
  6. Increasers (22)
  7. Wall Thimbles (2)
  8. Terminations (6)
  9. Inspection Ports (6)
  10. Roof Flashings (4)
  11. Supports (5)
  12. Rain Caps (11)
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