The Robertshaw 1970-018 Thermocouple is a high-performance 18-inch Uni-Couple engineered for universal pilot burner compatibility in commercial and residential standing pilot systems

or the compressor failing to start despite receiving a 24V signal at the coil

Built with a SPST (Single Pole Single Throw) configuration

use with non-specified models should be confirmed by a technician

Rheem-Ruud 47-21604-03 Limit Switch The Robertshaw 1970-018 Thermocouple isThe Rheem Ruud 47 21604 03 High Pressure Limit Switch is a critical safety component engineered for precise refrigerant pressure management in residential and commercial condensing units. This OEM Rheem replacement part features a factory calibrated 440 PSI open setpoint, ensuring the system interrupts the control circuit before excessive head pressure causes terminal compressor failure or mechanical fatigue in the refrigerant lines. Designed with a