Key Benefits Drop-in replacement for legacy SM185S4RA models with identical footprints and Rotolock port alignments

Always verify free movement of the damper linkage before installing the new actuator to prevent premature motor wear

The Trane VAL8988 Thermal Expansion Valve (TXV) is a critical OEM replacement part engineered for precise refrigerant metering in R410A air conditioning and heat pump systems

Corrosion Resistance: Built to withstand harsh environmental conditions and prevent formicary corrosion

Industrial Build Quality: Constructed with materials designed to resist thermal degradation under heavy fire sequences

Aaon R06520 Crankcase Heater Els PW 29614 Key Benefits Drop-in replacement forThe Aaon R06520 Crankcase Heater is a critical component designed to maintain optimal compressor oil temperatures in HVACR systems. This high performance belt type heater operates at 480 Volts and delivers 150 Watts of power, specifically engineered for compressors requiring a 13 inch diameter fit. By preventing refrigerant migration to the oil during off cycles, this Aaon replacement part prevents liquid slugging and ensures a smooth startup in cold