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The 2ZVB04 from Z-Flex is a 4” Z-Vent Universal Appliance Adapter w/ Backflow Preventer. It connects to the 4" flue outlet of the Takagi tankless water heater and is used to adapt the unit to 4" Z-Vent pipe and venting parts. Has a built-in backflow preventer.
This adapter is required for all types of installations.
| Application | |
| Heating | |
| Plumbing | |
| Product Type | |
| Venting Parts | |
| Brand | |
| Z-Flex | |