Emerson Alco 054979 Expansion Valve Els PW 17895 though it is primarily used

though it is primarily used as a pilot duty relay for larger contactors or as a signaling device for BAS controllers

a fouled or degraded sensor is often the culprit

Key Benefits for HVAC Contractors Precision Pressure Control: Fixed 257# CLS and 126# OPN settings eliminate the need for field calibration

Does this thermostat support auxiliary heat

Key Benefits Optimal Conductivity: Features

Emerson Alco 054979 Expansion Valve Els PW 17895 though it is primarily usedThe Emerson Alco 054979 (Model HFE 1 RC) is a high performance externally equalized thermal expansion valve designed for precision refrigerant flow control in medium temperature applications. Featuring a 3 8" x 1 2" SAE flare angle body configuration, this 1 ton nominal capacity valve utilizes a 5 foot capillary tube for versatile remote bulb placement. Engineered specifically for R502 systems, it serves as the direct technical replacement for BFSE A