Rheem-Ruud 42-21593-02 Sequencing Relay Using a multimeter set to

Using a multimeter set to continuity

The control is a true delay-on-make

operating on either 12Vdc or 24Vdc regulated power supplies or full-wave rectified (FWR) unfiltered circuits

Standard Compliance: Fully meets ASME B16

the PT1 maintains thermal stability for hot pipes up to 158°F (70°C)

Rheem-Ruud 42-21593-02 Sequencing Relay Using a multimeter set toFor service technicians managing multi stage electric heat or residential blower delays, the Rheem Ruud 42 21593 02 Sequencing Relay functions as a critical OEM control component. This 24V SPDT Sequencing Relay is engineered with a C65 95 timing specification, ensuring precise contact closure and opening cycles to prevent line side surges during startup. The device features a single pole double throw configuration, allowing for versatile field wiring