Z-Flex 4" Universal Appliance Adapter With Backflow Preventer
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Hardware / Plumbing

Z-Flex 4" Universal Appliance Adapter With Backflow Preventer

$88.27
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Useful in colder climates for preventing freezing air from flowing back into the heat exchanger and freezing it and damaging the heater Specifications: • Vent material: AL29-4C stainless steel• Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636• Approval: Cat II, III, IV venting• Limited Lifetime Warranty Compatibility and cross reference: This item is the same as Takagi, AO Smith, American Heating part number 9007996005. It is compatible with the following tankless water heaters, as shown in their manual: American Water Heaters GT-510-P/N Indoor Liquid Propane/Natural Gas American Water Heaters GT-310-P/N Indoor Liquid Propane/Natural Gas American Water Heaters GT110-P/N Indoor Liquid Propane/Natural Gas A. O. Smith ATI-510-N/P Indoor Propane/Natural GasA. O. Smith ATI-310-N/P Indoor Propane/Natural GasA. O. Smith ATI-110-N/P Indoor Propane/Natural GasGSW GSWT-110/310GSW GSWT-520/540Marey 5LMarey 10LReliance Water Heaters TS-510-GIReliance W

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