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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.

30 Item(s)

Set Ascending Direction
  1. Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

    Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

    Z-Flex 3" x 45' Length of 1-Ply Aluminum Duct (1TLXXXX0345)

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

    Regular Price: $123.72

    Special Price: $98.97

    Details
  2. Z-Flex 3" x 40' Length of 1-Ply Aluminum Duct (1TLXXXX0340)

    Z-Flex 3" x 40' Length of 1-Ply Aluminum Duct (1TLXXXX0340)

    Z-Flex 3" x 40' Length of 1-Ply Aluminum Duct (1TLXXXX0340)

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

    Regular Price: $115.95

    Special Price: $92.76

    Details
  3. Z-Flex 4" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0430)

    Z-Flex 4" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0430)

    Z-Flex 4" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0430)

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

    Regular Price: $113.28

    Special Price: $90.62

    Details
  4. Z-Flex 5" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0525)

    Z-Flex 5" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0525)

    Z-Flex 5" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0525)

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

    Regular Price: $110.92

    Special Price: $88.73

    Details
  5. Z-Flex 6" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0620)

    Z-Flex 6" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0620)

    Z-Flex 6" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0620)

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

    Regular Price: $108.25

    Special Price: $86.60

    Details
  6. Z-Flex 3" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0335)

    Z-Flex 3" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0335)

    Z-Flex 3" x 35' Length of 1-Ply Aluminum Duct (1TLXXXX0335)

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

    Regular Price: $108.20

    Special Price: $86.57

    Details
  7. Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

    Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

    Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

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

    Regular Price: $103.37

    Special Price: $82.70

    Details
  8. Z-Flex 3" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0330)

    Z-Flex 3" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0330)

    Z-Flex 3" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0330)

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

    Regular Price: $100.44

    Special Price: $80.36

    Details
  9. Z-Flex 5" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0520)

    Z-Flex 5" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0520)

    Z-Flex 5" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0520)

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

    Regular Price: $99.53

    Special Price: $79.63

    Details
  10. Z-Flex 6" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0615)

    Z-Flex 6" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0615)

    Z-Flex 6" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0615)

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

    Regular Price: $94.66

    Special Price: $75.73

    Details
  11. Z-Flex 2" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0230)

    Z-Flex 2" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0230)

    Z-Flex 2" x 30' Length of 1-Ply Aluminum Duct (1TLXXXX0230)

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

    Regular Price: $90.88

    Special Price: $72.71

    Details
  12. Z-Flex 6" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0610)

    Z-Flex 6" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0610)

    Z-Flex 6" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0610)

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

    Regular Price: $81.08

    Special Price: $64.86

    Details
  13. Z-Flex 2" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0225)

    Z-Flex 2" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0225)

    Z-Flex 2" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0225)

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

    Regular Price: $79.48

    Special Price: $63.58

    Details
  14. Z-Flex 2" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0220)

    Z-Flex 2" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0220)

    Z-Flex 2" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0220)

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

    Regular Price: $68.08

    Special Price: $54.46

    Details
  15. Z-Flex 6" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0605)

    Z-Flex 6" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0605)

    Z-Flex 6" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0605)

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

    Regular Price: $67.49

    Special Price: $53.99

    Details
  16. Z-Flex 4" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0420)

    Z-Flex 4" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0420)

    Z-Flex 4" x 20' Length of 1-Ply Aluminum Duct (1TLXXXX0420)

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

    Regular Price: $62.04

    Special Price: $49.63

    Details
  17. Z-Flex 3" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0325)

    Z-Flex 3" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0325)

    Z-Flex 3" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0325)

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

    Regular Price: $61.24

    Special Price: $48.99

    Details
  18. Z-Flex 5" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0515)

    Z-Flex 5" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0515)

    Z-Flex 5" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0515)

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

    Regular Price: $57.45

    Special Price: $45.97

    Details
  19. Z-Flex 2" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0215)

    Z-Flex 2" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0215)

    Z-Flex 2" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0215)

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

    Regular Price: $57.45

    Special Price: $45.97

    Details
  20. 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
  21. Z-Flex 4" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0415)

    Z-Flex 4" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0415)

    Z-Flex 4" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0415)

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

    Regular Price: $52.14

    Special Price: $41.72

    Details
  22. Z-Flex 3" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0315)

    Z-Flex 3" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0315)

    Z-Flex 3" x 15' Length of 1-Ply Aluminum Duct (1TLXXXX0315)

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

    Regular Price: $45.74

    Special Price: $36.58

    Details
  23. Z-Flex 5" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0510)

    Z-Flex 5" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0510)

    Z-Flex 5" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0510)

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

    Regular Price: $45.26

    Special Price: $36.21

    Details
  24. Z-Flex 2" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0210)

    Z-Flex 2" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0210)

    Z-Flex 2" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0210)

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

    Regular Price: $45.26

    Special Price: $36.21

    Details
  25. Z-Flex 4" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0410)

    Z-Flex 4" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0410)

    Z-Flex 4" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0410)

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

    Regular Price: $42.24

    Special Price: $33.80

    Details
  26. Z-Flex 3" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0310)

    Z-Flex 3" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0310)

    Z-Flex 3" x 10' Length of 1-Ply Aluminum Duct (1TLXXXX0310)

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

    Regular Price: $41.70

    Special Price: $33.36

    Details
  27. Z-Flex 3" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0305)

    Z-Flex 3" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0305)

    Z-Flex 3" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0305)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details
  28. Z-Flex 5" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0505)

    Z-Flex 5" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0505)

    Z-Flex 5" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0505)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details
  29. Z-Flex 2" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0205)

    Z-Flex 2" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0205)

    Z-Flex 2" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0205)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details
  30. Z-Flex 4" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0405)

    Z-Flex 4" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0405)

    Z-Flex 4" x 5' Length of 1-Ply Aluminum Duct (1TLXXXX0405)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details

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Application
  1. Commercial,Residential (30)
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  1. Aluminum (30)
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  1. Z-Flex 2" Chimney Liner (6)
  2. Z-Flex 3" Chimney Liner (9)
  3. Z-Flex 4" Chimney Liner (6)
  4. Z-Flex 5" Chimney Liner (5)
  5. Z-Flex 6" Chimney Liner (4)
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  1. Z-Flex Chimney Liner (30)
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