Lochinvar & A.O. Smith 100208549 Sensor 320735-701 this controller modulates the fan

this controller modulates the fan motor speed based on direct refrigerant pressure

Its reliable mechanical logic eliminates the need for complex electronics in environments where pneumatic infrastructure is preferred

opening on pressure fall to prevent evaporator freeze-ups or compressor cavitation

allowing for clockwise or counter-clockwise operation depending on the damper configuration

Built with durable brass or steel construction

Lochinvar & A.O. Smith 100208549 Sensor 320735-701 this controller modulates the fanThe Lochinvar & A. O. Smith 100208549 Inlet Water Sensor is a critical genuine OEM replacement part engineered for high precision temperature monitoring in commercial and residential hydronic heating systems. This immersion style K type sensor provides real time data to the integrated control board, allowing the system to modulate firing rates and maintain target setpoints based on incoming water temperatures. Designed as a direct drop in for the