Nordyne 920663A TXV Valve 318973-401 effectively serving as a high-limit

effectively serving as a high-limit safety cutout for systems utilizing ammonia refrigerant

Common failure points include cracked ceramic insulation due to physical impact or extreme thermal cycling

Key Benefits: Precision Control: High-performance flexibility for accurate positioning in damper actuators and control valves

this motor requires a 10 MFD / 370V run capacitor (sold separately)

reducing boiler ignition failure and intermittent operation

Nordyne 920663A TXV Valve 318973-401 effectively serving as a high-limitThe Nordyne 920663A TXV Valve is a technical grade TR6 thermal expansion valve kit specifically engineered for 2. 5 ton R22 HVAC systems. As a critical liquid side metering device, this OEM component modulates refrigerant flow based on evaporator load, ensuring the system maintains precise superheat levels. Optimized for Nordyne CMG, MMG, and VMG coils, the 920663A utilizes a balanced port design to provide stable control across varying ambient