provided the liquid remains above its freezing point

ensuring the low-level compressor runs during moderate demand and both compressors engage during high demand

Industrial Build: Rated for continuous air-over duty with high-temperature insulation to prevent premature winding failure

For safety and ignition reliability

providing high-accuracy feedback to the burner and circulator circuits

Lennox 10W89 Piston Kit 323269-701 provided the liquid remains aboveFor service technicians maintaining Lennox air conditioning and heat pump systems, the Lennox 10W89 Piston Kit (100484 37) is a critical fixed orifice metering device required to regulate refrigerant flow. This genuine OEM Lennox 10W89 kit features a precise 0. 090 orifice size, ensuring the evaporator coil receives the exact refrigerant saturation needed for optimal heat exchange. Whether you are performing a piston orifice replacement during a coil