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This heavy-duty unit features a split-bobbin construction to provide superior isolation between primary and secondary windings
consider the M602W double-pole version
it is compatible with high-pressure refrigerants including R-410A
it provides the robust electrical characteristics necessary to handle inductive loads in modern HVAC controls
Weil McLain 511-624-521 Pressure Switch Els PW 17895 This heavy-duty unit features aThe Weil McLain 511 624 521 Pressure Switch is a critical safety component designed for precise differential pressure sensing in high efficiency Weil McLain boilers. This SPST (Single Pole Single Throw) air pressure switch is factory calibrated to a 1. 25" W. C. (Water Column) set point, ensuring the vent blower is maintaining adequate airflow before allowing the ignition sequence to proceed. It features dual 1 4" barb connections for secure pneumatic