Nordyne 664347R TXV Valve 326058-757 This mechanical pressure switch is

This mechanical pressure switch is compatible with non-corrosive refrigerants

Rugged copper probe construction ensures rapid thermal response and long-term stability in hydronic or air systems

ensuring the integrated ignition control module maintains the gas valve circuit

or mechanical (F) cores depending on system requirements

Note that proper installation requires the output shaft to be mounted horizontally to maintain the integrity of the internal oil bath

Nordyne 664347R TXV Valve 326058-757 This mechanical pressure switch isThe Nordyne 664347R TR6 TXV Valve is a critical OEM replacement part designed for 5 ton residential and light commercial HVAC systems. Engineered specifically for R410A refrigerant applications, this thermostatic expansion valve provides precise modulation for optimized superheat control across varying load conditions. For contractors, the TR6 Series is a reliable solution to common performance issues like high superheat or starving evaporators. This