IDEC Relays RH4B-ULAC24V Relay 322838-752 Engineers and technicians rely on

Engineers and technicians rely on this OEM pressure switch to prevent system operation during venting obstructions or inducer motor failure

High BTU Capacity: Manages up to 14

ensuring stability even in pull-through air configurations where negative pressure would otherwise compromise standard valve seating

Designed for residential and light-commercial York models

For commercial HVAC systems

IDEC Relays RH4B-ULAC24V Relay 322838-752 Engineers and technicians rely onThe IDEC RH4B ULAC24V is a heavy duty, 4PDT relay designed for demanding industrial and HVACR control circuits. As a staple in the IDEC RH Series, this compact power relay delivers a robust 10A contact rating, making it a reliable choice for switching multiple loads simultaneously in tight control panels. Featuring silver cadmium oxide contacts (AgCdO), this unit is engineered to reduce voltage arcing and provide a mechanical life of up to 50 million