as cracked or clogged tubing can disrupt the vacuum signal required for the inducer motor circuit to engage

Standardized Installation: Identical specifications to the 4074EJQ/U

providing reliable data for system tuning and energy efficiency audits

Whether you are handling natural gas

making it an essential component for proving airflow in commercial dampers and air handlers

Resideo RA89A1074 Relay Els PW 17895 as cracked or clogged tubingThe Resideo RA89A1074 Relay is a reliable, industry standard solution for technicians managing hydronic systems that require seamless interfacing between low voltage controls and 120V line voltage equipment. Built with a 120Vac primary voltage transformer and a 24Vac coil, this switching relay allows a standard 2 wire thermostat to drive heavy duty components like circulator pumps, fans, or boiler ignition circuits. Its SPST switching action ensures