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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 3" to 4" Insul-Vent Increaser (2ZIC314)

    Z-Flex 3" to 4" Insul-Vent Increaser (2ZIC314)

    Z-Flex 3" to 4" Insul-Vent Increaser (2ZIC314)

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

    Regular Price: $42.37

    Special Price: $33.90

    Details
  2. Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

    Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

    Z-Flex 5" Fixed Stainless Steel 45 Degree Elbow (2RE45XX05)

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

    Regular Price: $48.04

    Special Price: $38.42

    Details
  3. Z-Flex 6" Fixed Stainless Steel 45 Degree Elbow (2RE45XX06)

    Z-Flex 6" Fixed Stainless Steel 45 Degree Elbow (2RE45XX06)

    Z-Flex 6" Fixed Stainless Steel 45 Degree Elbow (2RE45XX06)

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

    Regular Price: $50.98

    Special Price: $40.78

    Details
  4. Z-Flex 7" Fixed Stainless Steel 45 Degree Elbow (2RE45XX07)

    Z-Flex 7" Fixed Stainless Steel 45 Degree Elbow (2RE45XX07)

    Z-Flex 7" Fixed Stainless Steel 45 Degree Elbow (2RE45XX07)

    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
  5. Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

    Z-Flex 3" Stainless Steel Drip-less Connector (2CNNTRC03)

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

    Regular Price: $54.08

    Special Price: $43.27

    Details
  6. Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

    Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

    Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

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

    Regular Price: $56.12

    Special Price: $44.90

    Details
  7. 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: $56.50

    Special Price: $45.20

    Details
  8. Z-Flex 3" to 4" Stainless Steel Increaser (2IN3I4X)

    Z-Flex 3" to 4" Stainless Steel Increaser (2IN3I4X)

    Z-Flex 3" to 4" Stainless Steel Increaser (2IN3I4X)

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

    Regular Price: $56.50

    Special Price: $45.20

    Details
  9. Z-Flex 8" Fixed Stainless Steel 45 Degree Elbow (2RE45XX08)

    Z-Flex 8" Fixed Stainless Steel 45 Degree Elbow (2RE45XX08)

    Z-Flex 8" Fixed Stainless Steel 45 Degree Elbow (2RE45XX08)

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

    Regular Price: $56.70

    Special Price: $45.36

    Details
  10. Z-Flex 5" Fixed Stainless Steel 90 Degree Elbow (2RE90XX05)

    Z-Flex 5" Fixed Stainless Steel 90 Degree Elbow (2RE90XX05)

    Z-Flex 5" Fixed Stainless Steel 90 Degree Elbow (2RE90XX05)

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

    Regular Price: $57.11

    Special Price: $45.69

    Details

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