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The NAVIEN 20049517A is an Inlet Adapter designed for NPE-A2 and S2 Tankless Water Heaters. This product adapts the inlet for efficient water flow and enhances the performance of your heater. The Inlet Adapter is easy to install, making it a practical solution for water heater maintenance.
This inlet adapter is essential for ensuring optimal function of tankless water heaters.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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