this knob is technically validated for use with both the T155 and T167 series Peco Controls thermostat lines

Dual-Rod Flexibility: Features automatic sensing logic that seamlessly adapts to local or remote flame sensing without manual configuration

This millivolt-powered thermostat utilizes an intelligent gas control system that eliminates the need for external electricity

For technicians managing fluid control or automation systems

Is this PCB compatible with older McQuay rooftop units

Utica-Dunkirk 28688 Switch L99H008 this knob is technically validatedThe 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