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Manual resets are designed to force a technician to inspect the system before restart after a critical safety event
When performing annual maintenance or a heat exchanger inspection
If the circuit is open and the furnace is cold
it ensures factory-spec calibration and timing for sequence of operation
Manufactured to exact factory specifications
Weil McLain 510-218-100 Gauge Els PW 17895 Manual resets are designed toThe Weil McLain 510 218 100 Gauge is a critical instrument for monitoring system conditions in low pressure steam heating applications. This combination pressure vacuum gauge features a large, easy to read 4 1 2 inch dial face, providing technicians with clear visibility for precise diagnostics on commercial and residential boiler systems. Engineered with a dual scale range of 0 30 PSIG for positive pressure and 0 30" Hg for vacuum measurement, this
