Nordyne 664518R Dist Assembly 320788-704 Proper calibration of the high

Proper calibration of the high limit setting is essential to protect system integrity and optimize fuel consumption in both residential and light commercial boiler plants

Use this switch to replace worn or high-impedance contacts to maintain peak system communication and operational safety

A 2-way normally closed configuration means the valve remains in the shut position when it is de-energized

failure is often caused by moisture in the sensing lines

Professionals choose the Square D DPA series for its straight-through wiring and proven reliability in severe duty environments

Nordyne 664518R Dist Assembly 320788-704 Proper calibration of the highThe Nordyne 664518R Dist Assembly is a high precision HVAC refrigeration component engineered to manage refrigerant distribution across the evaporator coil. In the field, we see this OEM replacement part used frequently in Nordyne air conditioners and heat pump systems to ensure balanced flow through the 1c circuits. This 1. 0L, 3 8 inch diameter assembly, featuring a 057 orifice, is critical for maintaining an efficient refrigeration cycle. Using