Resideo RA89A1074 Relay Els PW 17895 This comprehensive service kit is

This comprehensive service kit is specifically designed for Normally Closed (NC) configurations

look for visible cracks

45" WC rating mean

maintaining factory-specified tolerances

if you use the Macon Insert Changer (ICT) tool

Resideo RA89A1074 Relay Els PW 17895 This comprehensive service kit isThe 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