Ensure the 1/4" pilot tubing is clear and the thermocouple is generating at least 8 to 12 millivolts under a closed-circuit load

Always verify the KW rating on the original furnace data plate

bridging the gap between legacy hardware and modern environmental controls

The DMPR-KC051 is engineered for 3/8" diameter shafts

Rated at 440Vac

Belimo G665C Valve Refrigerant Ensure the 1/4" pilot tubingThe Belimo G665C is a professional grade 2. 5 inch 2 way globe valve designed for precise flow control in demanding hydronic systems. Engineered as the direct replacement for the legacy G665 model, this flanged assembly features a CV 65 rating and a pressure compensated design to maintain stable performance across varying differential pressures. The bronze trim and cast iron body construction ensure long term durability in closed loop chilled or hot