replacing 57W78 and 57W7801

This specific model is designed for indoor duct applications and should not be used in locations exposed to direct moisture or outdoor weather conditions

Attempting to bore out the center will compromise the friction fit and cause the shield to slip

though seals should be verified for specific high-temp chemical applications

When a furnace pressure switch troubleshooting process identifies a failed internal diaphragm or oxidized contacts

Emerson Alco 057343 Coil Els PW 17895 replacing 57W78 and 57W7801For service technicians requiring a multi voltage solution, the Emerson Alco 057343 Coil is a high performance AMG solenoid coil designed for versatile field applications. This 12 Watt dual voltage coil operates seamlessly across 120V to 240V AC at 50 60 Hz, significantly reducing the inventory space needed for 100RB, 200RB, and 240RA series solenoid valves. Engineered with Class F insulation, the windings are encapsulated to provide superior