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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 3" Weil-McLain CGI Starter (2SVEWMFAF03)

    Z-Flex Z-Vent 3" Weil-McLain CGI Starter (2SVEWMFAF03)

    Z-Flex Z-Vent 3" Weil-McLain CGI Starter (2SVEWMFAF03) Learn More

    Regular Price: $40.25

    Special Price: $32.20

    Details
  2. Z-Flex Z-Dens 2" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC2)

    Z-Flex Z-Dens 2" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC2)

    Z-Flex Z-Dens 2" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC2)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $41.85

    Special Price: $33.49

    Details
  3. Z-Flex Z-Dens Adaptor - Appliance with Gasket & Clamp 2� CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG2)

    Z-Flex Z-Dens 2" Adaptor - Appliance with Gasket & Clamp - Stainless Steel (2ZDCPVCG2)

    Z-Flex Z-Dens 2" Adaptor - Appliance with Gasket & Clamp CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG2)

    Adaptor with gasket and clamp Learn More

    Regular Price: $41.85

    Special Price: $33.49

    Details
  4. Z-Flex Z-Dens Adaptor - Takagi T-H3-DV/140-540 2� CPVC/PVC Coupling - Stainless Steel (2ZDTA43)

    Z-Flex Z-Dens 3" Adaptor - Takagi T-H3-DV/140-540 - Stainless Steel (2ZDTA43)

    Z-Flex Z-Dens 3" Adaptor - Takagi T-H3-DV/140-540 CPVC/PVC Coupling - Stainless Steel (2ZDTA43)

    Adaptor for Takagi Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  5. Z-Flex Z-Dens Adaptor - Appliance with Seal 2� CPVC/PVC Coupling - Stainless Steel (2ZDCPVCS3)

    Z-Flex Z-Dens 3" Adaptor - Appliance with Seal - Stainless Steel (2ZDCPVCS3)

    Z-Flex Z-Dens 3" Adaptor - Appliance with Seal CPVC/PVC Coupling - Stainless Steel (2ZDCPVCS3)

    Adaptor with gasket and clamp Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  6. Z-Flex Z-Dens 3" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC3)

    Z-Flex Z-Dens 3" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC3)

    Z-Flex Z-Dens 3" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC3)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  7. Z-Flex Z-Dens Adaptor - Appliance with Gasket & Clamp 2� CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG3)

    Z-Flex Z-Dens 3" Adaptor - Appliance with Gasket & Clamp - Stainless Steel (2ZDCPVCG3)

    Z-Flex Z-Dens 3" Adaptor - Appliance with Gasket & Clamp CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG3)

    Adaptor with gasket and clamp Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  8. Z-Flex Z-Dens 3" Adaptor - Z-Vent to 3" - Stainless Steel (2ZDZV3)

    Z-Flex Z-Dens 3" Adaptor - Z-Vent to 3" - Stainless Steel (2ZDZV3)

    Z-Flex Z-Dens 3" Adaptor - Z-Vent to 3" - Stainless Steel (2ZDZV3)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  9. Z-Flex Z-Dens 3" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF3)

    Z-Flex Z-Dens 3" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF3)

    Z-Flex Z-Dens 3" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF3)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $45.40

    Special Price: $36.33

    Details
  10. Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03)

    Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03)

    Z-Flex Z-Vent 3" Buderus GA Boiler Adaptor (2SVB03) Learn More

    Regular Price: $46.06

    Special Price: $36.85

    Details

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Venting Style
  1. Z-Flex Z-Dens Polypropylene (39)
  2. Z-Flex Z-Vent Dble-Wall SS (19)
  3. Z-Flex Z-Vent Single-Wall SS (25)
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