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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 7" x 7" x 3" Galvanized Y (2GAYXXX773)

    Z-Flex 7" x 7" x 3" Galvanized Y (2GAYXXX773)

    Z-Flex 7" x 7" x 3" Galvanized Y (2GAYXXX773)

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

    Regular Price: $106.44

    Special Price: $85.16

    Details
  2. Z-Flex 5" Stainless Steel Deluxe Rain Cap (2RNCAPS05)

    Z-Flex 5" Stainless Steel Deluxe Rain Cap (2RNCAPS05)

    Z-Flex 5" Stainless Steel Deluxe Rain Cap (2RNCAPS05)

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

    Regular Price: $103.41

    Special Price: $82.73

    Details
  3. Z-Flex 6" x 6" x 4" Galvanized Y (2GAYXXX664)

    Z-Flex 6" x 6" x 4" Galvanized Y (2GAYXXX664)

    Z-Flex 6" x 6" x 4" Galvanized Y (2GAYXXX664)

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

    Regular Price: $100.84

    Special Price: $80.67

    Details
  4. Z-Flex 6" x 6" x 3" Galvanized Y (2GAYXXX663)

    Z-Flex 6" x 6" x 3" Galvanized Y (2GAYXXX663)

    Z-Flex 6" x 6" x 3" Galvanized Y (2GAYXXX663)

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

    Regular Price: $100.84

    Special Price: $80.67

    Details
  5. Z-Flex 8" Stainless Steel Aerocowl Round Base (2ARCORB08)

    Z-Flex 8" Stainless Steel Aerocowl Round Base (2ARCORB08)

    Z-Flex 8" Stainless Steel Aerocowl Round Base (2ARCORB08)

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

    Regular Price: $99.26

    Special Price: $79.41

    Details
  6. Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

    Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

    Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

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

    Regular Price: $95.63

    Special Price: $76.51

    Details
  7. Z-Flex 5" x 5" x 3" Galvanized Y (2GAYXXX553)

    Z-Flex 5" x 5" x 3" Galvanized Y (2GAYXXX553)

    Z-Flex 5" x 5" x 3" Galvanized Y (2GAYXXX553)

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

    Regular Price: $89.63

    Special Price: $71.70

    Details
  8. Z-Flex 5" x 5" x 4" Galvanized Y (2GAYXXX554)

    Z-Flex 5" x 5" x 4" Galvanized Y (2GAYXXX554)

    Z-Flex 5" x 5" x 4" Galvanized Y (2GAYXXX554)

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

    Regular Price: $89.63

    Special Price: $71.70

    Details
  9. Z-Flex 7" Stainless Steel Aerocowl Round Base (2ARCORB07)

    Z-Flex 7" Stainless Steel Aerocowl Round Base (2ARCORB07)

    Z-Flex 7" Stainless Steel Aerocowl Round Base (2ARCORB07)

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

    Regular Price: $89.07

    Special Price: $71.25

    Details
  10. Z-Flex 3" Stainless Steel Deluxe Rain Cap (2RNCAPS03)

    Z-Flex 3" Stainless Steel Deluxe Rain Cap (2RNCAPS03)

    Z-Flex 3" Stainless Steel Deluxe Rain Cap (2RNCAPS03)

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

    Regular Price: $87.72

    Special Price: $70.18

    Details

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