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Caution: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm under California Proposition 65
Relying on precision-calibrated bimetal discs
If your diagnostic LED indicates an open limit and there is no continuity across the terminals when cool
Always use 12 to 18 AWG copper wire based on the distance of the run
Weil McLain 383-500-630 Gauge Assembly Els PW 17895 Caution: This product may exposeThe Weil McLain 383 500 630 Gauge Assembly is a high precision OEM replacement component engineered specifically for Weil McLain Ultra series boilers. As a dual function monitoring solution, this assembly integrates a boiler pressure gauge and a temperature sensor into a single, streamlined interface. This design allows technicians to conduct rapid diagnostics and verify that the system is operating within the standard 1225 psi range for residential