Compatibility is determined by the specific model and serial number of your HVAC equipment

this kit allows contractors to diagnose potential failures before they occur

and swap the York S1-363-87677-000

Proper installation of this Armstrong blower door switch is essential for maintaining circuit integrity and preventing unauthorized furnace operation during maintenance

it ensures optimal heat rejection and airflow across the coils

Aaon V36640 Valve 319852-301 Compatibility is determined by theThe Aaon V36640 Valve is a genuine OEM replacement part specifically engineered for high performance HVAC systems. This 5 8" x 7 8" ODF TXV valve (Thermostatic Expansion Valve) serves as a critical metering device, precisely regulating the flow of refrigerant into the evaporator coil. By maintaining optimal superheat levels, the Aaon expansion valve V36640 prevents compressor flooding and ensures maximum heat exchange efficiency. Its robust outside