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It is frequently found in Heil
Unlike standard probe controls that can be triggered by momentary surging or priming
covering the standard HVAC range and safety damper ventilation modes
allowing technicians to fine-tune the trip point via a precision trimmer to match specific load requirements
heat pump signals
Nordyne 664275R TXV 318973-401 It is frequently found inThe Nordyne 664275R TXV is a critical N Series thermal expansion valve engineered specifically for 5 ton packaged units. Designed for R410A refrigerant, this OEM component provides precise metering to maintain the correct superheat across the evaporator coil, preventing liquid slugging and ensuring compressor longevity. As a direct Nordyne replacement part, it eliminates the compatibility issues often found with universal aftermarket valves,