By momentary connecting the start winding and disconnecting once the compressor motor reaches operating speed

For high-pressure steam applications exceeding this threshold

offering significant headroom over lower-voltage alternatives

Direct OEM Replacement: Identical performance and dimensions to the 310143/U universal part number

Heavy-duty 1/4" x 5/16" swivel joint construction prevents mechanical slop and linkage binding

White-Rodgers 90-374 Relay By momentary connecting the startThe White Rodgers 90 374 Relay is a heavy duty, SPDT fan relay engineered for versatile switching in high voltage 208 240V HVACR systems. Designed for reliability in heating and cooling applications, this Type 184 relay features a completely enclosed, compact housing that ensures quiet operation and protection against airborne contaminants. With a 12. 5 mA coil current and a resistance of 6050 Ohms, it provides efficient low power consumption while