McDonnell & Miller 51-2 Feeder R-410A Precise Control: Range of 30

Precise Control: Range of 30 to 75 degrees Fahrenheit provides flexibility for various refrigeration and comfort cooling setpoints

Technicians should monitor the pressure drop across the filter housing

Replacing a worn-out thermostat potentiometer is a standard procedure to restore precise temperature modulation in commercial and residential heating systems

the Sporlan A9 series is rated for use with most modern refrigerants

Standard tolerance for this coil typically allows for operation within +/- 10% of the rated voltage

McDonnell & Miller 51-2 Feeder R-410A Precise Control: Range of 30The McDonnell & Miller 51 2 (Part Number 135000) is a heavy duty mechanical water feeder and low water cut off (LWCO) designed for industrial and commercial low pressure steam and hot water boilers. Engineered for systems with a capacity exceeding 5,000 sq. ft., this unit provides critical protection by maintaining a consistent minimum safe water level regardless of electrical status. It features 1" NPT female connections and a snap acting SPDT switch