Utica-Dunkirk 40154B008 Limit Switch 320735-701 This 180-210F Auto Limit Switch

This 180-210F Auto Limit Switch features a 3-inch insert and is engineered to open the electrical circuit if the plenum temperature exceeds the 210°F threshold

the compact FJT design allows for straightforward removal from the gas line for inspection or solenoid maintenance

It must be paired with the appropriate valve body designed for non-regulated flow to ensure safe and efficient combustion

Improved System Efficiency: Accurate sensing prevents unnecessary energy consumption by optimizing the steam production cycle

Utica-Dunkirk 40154B008 Limit Switch 320735-701 This 180-210F Auto Limit SwitchThe 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