Cleveland Controls AFS-951 Switch Refrigerant which is a common cause

which is a common cause of premature failure in cold climates

simplifying field replacement

What is the primary function of this 125W heater

the HC21ZS122 is a shaded-pole or permanent split capacitor design (depending on the specific production run) that typically does not require an external capacitor

This kit replaces the older RXBH-1724A10J and is the current standard for 10kW legacy applications

Cleveland Controls AFS-951 Switch Refrigerant which is a common causeThe Cleveland Controls AFS 951 is a high performance differential pressure sensing switch engineered for precise monitoring of air and non combustible gases. This SPDT air pressure switch features a versatile field adjustable set point range of 0. 05" to 12. 0" w. c., making it an essential component for proving airflow in commercial burners, furnaces, and complex HVAC systems. Built with a durable plated housing and a sensitive silicone diaphragm,