McDonnell & Miller 347900 Assembly and Gaskets Refrigerant High Precision Monitoring: Provides accurate

High Precision Monitoring: Provides accurate ambient temperature sensing to prevent short-cycling and improve energy efficiency

Does this unit include a pilot tap

the 125 PSI rating must not be exceeded

Common Questions What is the ton capacity for this valve on R410A

For technicians performing HVAC furnace repair

McDonnell & Miller 347900 Assembly and Gaskets Refrigerant High Precision Monitoring: Provides accurateThe McDonnell & Miller 347900, also identified by model number SA150 106R, is a critical bellows assembly and gasket replacement engineered for Series 150 and 157 low water cut off (LWCO) and pump controllers. For technicians servicing steam boilers, this assembly is the primary pressure sensing component that translates water level changes into mechanical action for the switch head. Constructed with a corrosion resistant Monel bellows, the unit is