Cleveland Control AFS-227-161 Switch Els PW 17895 always confirm your heater's BTU

always confirm your heater's BTU rating does not exceed the valve's capacity

please verify if your sensor uses 1/2" NPT or the common 1/2" NPSM/18-NEF thread found on adjustable-angle thermometers

making it a versatile choice for various electric heat configurations

000 AFC (Available Fault Current) safety rating and non-PCB oil

Common Questions Is this harness compatible with non-York equipment

Cleveland Control AFS-227-161 Switch Els PW 17895 always confirm your heater's BTUThe Cleveland Controls AFS 227 161 is a professional grade proving switch engineered for precision air pressure monitoring in HVAC and energy management systems. Designed to sense positive, negative, or differential air pressure, this SPDT airflow switch features an adjustable set point range from 0. 05" 0. 02" to 12. 0" w. c., providing the technical flexibility required for complex duct static pressure and fan proving applications. The unit utilizes