Utica-Dunkirk 28688 Switch 320788-702 Code Compliance: Built-in conduit housing

Code Compliance: Built-in conduit housing allows for secure electrical termination

Built for Durability: Robust construction designed to withstand the thermal stress of outdoor condenser environments

This genuine RK-N223 restoration package allows for full in-line serviceability

The quick-change cartridge valve allows for streamlined maintenance without breaking pipe connections

Efficient Staging: The industrial-grade sequencer ensures elements engage and disengage reliably to maintain comfort without power spikes

Utica-Dunkirk 28688 Switch 320788-702 Code Compliance: Built-in conduit housingThe Utica Dunkirk 28688 Switch is a high limit safety control engineered for precise thermal regulation in hydronic systems and gas fired boilers. This LMT 3"INSRT L170Deg component features a fixed 170 degree Fahrenheit trip point, serving as a critical safeguard to prevent heat exchanger overheating. Designed for seamless integration into ECR International brands like Utica Boiler and Dunkirk Heating, this switch utilizes a 3 inch insertion probe