The Rheem-Ruud 47-23117-03 Limit Switch is a critical OEM replacement safety control engineered to regulate supply plenum temperatures in gas-fired comfort systems

the 89M8501 is a common part number variant used in factory documentation

Professional contractors often require this specific 32001632-001 replacement part when performing annual maintenance

What is the purpose of the 30-90 second delay

Cleveland Controls AFS-275-112 Switch The Rheem-Ruud 47-23117-03 Limit SwitchThe Cleveland Controls AFS 275 112 is a versatile differential air pressure switch designed for critical HVAC air proving and energy management applications. Built to sense positive, negative, or differential air pressure, this SPDT pressure switch features an adjustable set point range from 0. 05" WC to 2. 0" WC. The plated housing contains a durable silicone diaphragm and a snap acting switch mechanism, ensuring reliable performance in package