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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.

7 Item(s)

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  1. Z-Flex 4" to 3" Stainless Steel Reducer (2RD4R3X)

    Z-Flex 4" to 3" Stainless Steel Reducer (2RD4R3X)

    Z-Flex 4" to 3" Stainless Steel Reducer (2RD4R3X)

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

    Regular Price: $49.13

    Special Price: $39.30

    Details
  2. Z-Flex 5" to 4" Stainless Steel Reducer (2RD5R4X)

    Z-Flex 5" to 4" Stainless Steel Reducer (2RD5R4X)

    Z-Flex 5" to 4" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $54.61

    Special Price: $43.69

    Details
  3. Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2RD6R5X)

    Z-Flex 6" to 5" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $60.09

    Special Price: $48.08

    Details
  4. Z-Flex 7" to 6" Stainless Steel Reducer (2RD7R6X)

    Z-Flex 7" to 6" Stainless Steel Reducer (2RD7R6X)

    Z-Flex 7" to 6" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $65.56

    Special Price: $52.45

    Details
  5. Z-Flex 8" to 6" Stainless Steel Reducer (2RD8R6X)

    Z-Flex 8" to 6" Stainless Steel Reducer (2RD8R6X)

    Z-Flex 8" to 6" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $71.03

    Special Price: $56.83

    Details
  6. Z-Flex 8" to 7" Stainless Steel Reducer (2RD8R7X)

    Z-Flex 8" to 7" Stainless Steel Reducer (2RD8R7X)

    Z-Flex 8" to 7" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $78.31

    Special Price: $62.65

    Details
  7. Z-Flex 10" to 8" Stainless Steel Reducer (2RD10R8X)

    Z-Flex 10" to 8" Stainless Steel Reducer (2RD10R8X)

    Z-Flex 10" to 8" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $85.92

    Special Price: $68.74

    Details

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  1. Commercial,Residential (7)
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  1. Silver (7)
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  1. $30.00 - $39.99 (1)
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  3. $50.00 - $59.99 (2)
  4. $60.00 and above (2)
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  1. Rigid (7)
Product Type
  1. Z-Flex 3" Chimney Liner (1)
  2. Z-Flex 4" Chimney Liner (1)
  3. Z-Flex 5" Chimney Liner (1)
  4. Z-Flex 6" Chimney Liner (2)
  5. Z-Flex 7" Chimney Liner (1)
  6. Z-Flex 8" Chimney Liner (1)
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  1. Z-Flex Chimney Liner (7)
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