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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
For hydronic or potable water systems
single throw (SPST) mechanical temperature control engineered for medium-temperature refrigeration applications
Contractor-Friendly Maintenance: Features a removable flange cover for quick access
the unit is rated for a 680 PSI Maximum Working Pressure
Williams P623313 Pipe Sensor 321042-401 For hydronic or potable waterThe Williams Comfort Products P623313 Pipe Sensor is a critical Genuine OEM replacement part engineered for high precision temperature monitoring in hydronic and forced air heating systems. This NTC thermistor sensor provides the control board with real time feedback, ensuring accurate thermal regulation and preventing short cycling or overheating. Designed specifically for Williams equipment, the P623313 is the direct cross for P600109, offering a