if voltage is present but the valve does not shift

5 psi pressure rating

The NEMA 1 enclosed relay housing ensures safety and protection for the internal circuitry

ensuring seamless retrofitting in existing HVACR systems

you can calibrate each module’s zero and span so that Dampers A

Lennox 74H01 Potential Relay 321142-301 if voltage is present butThe Lennox 74H01 Potential Relay is a mission critical OEM replacement part designed for high torque motor starting applications in residential heating and commercial air conditioning systems. Engineered to manage compressor start up cycles, this potential type motor starting relay features a normally closed (SP N. C.) contact configuration that effectively removes the start capacitor from the circuit once the motor reaches sufficient back