38" diameter crank arm interface and will not fit larger shafts

This part is frequently found in Heil

or the system "short cycling" where it shuts off before reaching the thermostat setpoint

OEM Standards: Engineered as a drop-in replacement for the obsolete 661023 model

Danfoss 018F4100 Coil 38" diameter crank arm interfaceThe Danfoss 018F4100 is an industrial grade 24V 60Hz solenoid coil designed for integration with high performance solenoid valves in refrigeration and air conditioning systems. Engineered with a NEMA 2 junction box, this 14 watt coil provides robust electrical termination and protection for field wiring in demanding environments. For technicians managing legacy systems, the 018F4100 is the direct replacement for 018F7683, ensuring seamless mechanical