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

NEMA 3R Rated: Durable

Whether you are performing a replacement for Multi Products 2914B units or retrofitting older "Torque Box" style systems

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

Compact Housing: Lightweight 0

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