Can this coil be used on 120V circuits

If the link has opened

What is the primary function of a 120V coil relay in a unit heater

Can I reuse my existing O-ring during a float inspection

As a direct replacement for Barber Colman A-3768

Hydrolevel EL1214-R Sensing Probe Els PW 17895 Can this coil be usedIntegrate the Hydrolevel EL1214 R Sensing Probe into your next boiler service to ensure reliable low water cut off (LWCO) functionality. This Hydrolevel 45 224 assembly features a 3 4" NPT connection and is built with a standard ceramic sensing probe designed for high performance conductivity in hydronic systems. With a 2 7 8" inside dimension, this probe provides accurate liquid level detection for both residential and commercial hot water boilers