






💧 Keep your hot water flowing flawlessly—because comfort can’t wait!
The 2GWH-24 Water Flow Sensor is a precision-engineered replacement part compatible with Girard GSWH-2 tankless water heaters. It measures water flow by detecting impeller rotation frequency, enabling dynamic regulation of heater output to maintain stable temperatures. By ensuring accurate flow data, it helps extend the lifespan of your heater and prevents costly failures, with real-time sensor status indicated via the UCP water flow icon.



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