or 120 minutes

Designed with 7/8" ODF sweat connections (solder)

Rugged Construction: Built for high-exposure environments

and springs required for a full internal overhaul

Utica-Dunkirk 40154B008 Limit Switch Els PW 29614 or 120 minutesThe Utica Dunkirk 40154B008 Limit Switch is a critical high limit safety control designed for specific residential and commercial hydronic heating systems. Rated for an operating range of 170 200F, this automatic reset limit switch monitors heat exchanger temperatures to prevent thermal runaway and equipment damage. As a genuine OEM Utica boiler replacement part, it ensures precise calibration within the aquastat control circuit, maintaining system