Rheem-Ruud 42-21593-02 SPDT Sequencing Relay; C65-95 NO/NC 24V

The Rheem-Ruud 42-21593-02 SPDT Sequencing Relay is a highly useful and multipurpose device needed to control and sequence different operations of HVAC systems. This relay has a contact arrangement of Single Pole Double Throw with a contact life of C65-95V AC/DC both NO and NC contacts and operates at 24V. It is as small as a watch but has a crucial role in controlling electrical signals and sequences. The major utility of the SPDT sequencing relay is to regulate the sequential use of various elements in heating and cooling systems. It makes certain that several components of the HVAC system including heating components, fans and pumps turn on at the appropriate time.