Whether used for steam boiler safety or potable water level management

replacing a pitted or oxidized HVAC flame sensor is the standard industry practice to restore heating system efficiency and prevent costly emergency service calls

The Johnson Controls A99-CLP-1 is a professional-grade surface mounting clip engineered specifically for the A99B temperature sensor series

secure brazing or soldering

White-Rodgers 770-1 Air Switch Els PW 17895 Whether used for steam boilerThe White Rodgers 770 1 Air Switch is a versatile, field adjustable differential air pressure switch designed for critical proving applications in HVACR systems. Featuring a SPDT (Single Pole Double Throw) snap action switch, this unit can be configured to actuate on positive, negative, or differential pressure. Unlike standard sail switches that are prone to mechanical fluttering, the 770 1 utilizes a robust enclosed diaphragm design that remains