The standard R75-03C is a relieving type regulator

Installation Versatility: Direct-mount design compatible with round or square shafts

the close-off rating typically ranges from 20 to 25 psid depending on the actuator used

ensuring proper combustion air throughput and venting of flue gases

reliable installation on standard service ports

Carrier HC37ME241 Motor 30067439-890 The standard R75-03C is aThe Carrier HC37ME241 Motor is a high performance 1 5 HP blower motor engineered for precision in residential and light commercial forced air applications. Operating at 230V single phase power, this PSC (Permanent Split Capacitor) motor maintains a steady 1075 RPM to ensure consistent static pressure management across its 3 speed configurations. Designed with a 48Y NEMA frame and a 5. 6 inch diameter, it features integrated "ear" mounting tabs welded