Lennox 78H40 Expansion Valve Refrigerant The Nordyne 622171 motor is

The Nordyne 622171 motor is a purpose-built OEM condenser fan motor designed for demanding cooling applications in Intertherm

preventing soot accumulation and heat exchanger stress

Always verify the rating plate on the appliance before installation

It monitors pressure thresholds rather than temperature probe activation

If you're seeing oil seepage on the shaft or getting a "limit trip" due to low airflow

Lennox 78H40 Expansion Valve Refrigerant The Nordyne 622171 motor isThe Lennox 78H40 Expansion Valve is a critical 6 ton thermostatic expansion valve (TXV) engineered for precise refrigerant metering in high capacity light commercial and residential cooling systems. As a veteran grade HVAC replacement part, the 78H40 (identical to Lennox 78H4001) regulates refrigerant flow into the evaporator coil by sensing heat load changes, preventing liquid slugging and ensuring the compressor receives superheated vapor. This TXV