this "All Range" control is compatible with non-corrosive refrigerants including R-22

making it a critical component for liquid line drying in large-scale installations

Complete OEM Component: Includes a high-grade gas valve

This transmitter is generally configured for a 0-1000 ppm range

Lennox 97M79 Piston 326058-757 this "All Range" control isThe Lennox 97M79 Piston is a precision engineered fixed orifice metering device designed for specific HVAC refrigerant flow control applications. Featuring a . 082 orifice size, this Lennox replacement part ensures accurate refrigerant expansion into the evaporator coil, maintaining the pressure drop necessary for optimal system cooling capacity. Built for R 410A compatibility, the 97M79 piston is a critical component for technicians performing system