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or if the furnace is frequently locking out due to high-limit temperature spikes caused by improper exhaust flow
Optimized Regulator Response: Maintains the intended spring rate to prevent pressure spikes or pilot drop-outs
Contamination Prevention: High-sensitivity moisture indicator helps prevent acid formation and protects system components from internal corrosion
allowing a single 24V signal to switch three separate circuits
Ranco LDK-310000-070 Solenoid Coil Els PW 17895 or if the furnace isThe Ranco LDK 310000 070 is a task specific 120V AC solenoid coil designed for precision actuation of 4 way reversing valves in residential and commercial heat pump systems. Engineered as a standard for "Generation 4" Ranco valves, this black color coded coil is fully epoxy encapsulated, providing a moisture resistant barrier that prevents short circuits in high condensation environments. It supports continuous duty operation, drawing 5 Watts at 50 Hz