it ensures proper flame pattern distribution and prevents thermal stress on the heat exchanger

As a rule of thumb

Smith 100109226 Burner is a critical LP main burner assembly designed for high-performance commercial and residential water heating systems

verifying the continuity of the 10084201 thermal fuse is a standard diagnostic step

Durable Construction: Features a galvanized steel housing and permanently lubricated steel gears for maintenance-free operation

Utica-Dunkirk FE3980B840 Gauge Els PW 17895 it ensures proper flame patternThe Utica Dunkirk FE3980B840 Gauge is a professional grade D. 40 pressure temperature gauge specifically engineered for high performance hydronic systems, including the Ccb150 and Chb100 130+ boiler series. This dual function hydronic boiler gauge provides simultaneous, real time monitoring of system PSI and water temperature, allowing technicians to verify that the equipment is operating within the manufacturers specified safety limits. Built with a