United Electric B54-103 Temp Switch R-134A or enlarged ports that cause

or enlarged ports that cause localized overheating on the section assembly

Designed as a direct drop-in replacement for the Robertshaw RS2110 and the 8444 model

ensuring consistent RPM and airflow in air handling units

Technicians often encounter error codes such as E6

Extended Service Life: Prevents corrosion on mechanical linkages and actuator seals

United Electric B54-103 Temp Switch R-134A or enlarged ports that causeThe United Electric B54 103, also identified as the B54 103 9040, is a professional grade immersion temperature switch engineered for reliable set point control in boilers, heat exchangers, and industrial process tanks. This SPDT immersion switch features an adjustable temperature range of 0 to 225F, allowing technicians to fine tune thermal limits using the internal reference dial. Built with a brass immersion stem and a rugged NEMA 1 Lexan