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it should only open when the 170°F threshold is reached
Excessive inlet pressure can lock up the internal diaphragm
causing the heat exchanger to exceed the 210°F limit
Technical Specifications and Benefits Precision Thermal Sensing: Calibrated for high-temperature monitoring to trigger liquid injection at specific setpoints
Nordyne 669772 TXV 323613-751 it should only open whenThe Nordyne 669772 TXV is a precision engineered R410A thermal expansion valve designed to provide accurate refrigerant metering for Nordyne air handlers and heat pump systems. Built for durability and technical performance, this OEM replacement part actively monitors evaporator superheat to regulate liquid flow, preventing liquid slugging and ensuring the compressor remains protected under varying load conditions. Featuring a balanced port design,