making it suitable for most low-pressure steam and hot water heating systems

Reliable Phase Proportioning: Delivers proportional speed control for open-frame motors and squirrel cage fans

utilizing a 48Y frame to ensure rugged stability during continuous duty cycles

Always check the specific system wiring

Optimized Ignition: Maintains a stable pilot flame to ensure safe and immediate main burner light-off during every heating cycle

Daikin-McQuay 330388501 Crankcase Heater THPU32HP7Y making it suitable for mostThe Daikin McQuay 330388501 Crankcase Heater is a mission critical component for maintaining compressor reliability in commercial and industrial HVAC systems. Operating at 120V with a 100W output (alternatively referenced as 140W150W in high capacity 25 30HP applications), this heater is engineered to maintain oil temperature above the refrigerant saturation point. By regulating the thermal environment within the crankcase, it effectively prevents