As a veteran's choice for HVAC flow switch parts

What is the purpose of the 30-90 second delay

and an aluminum 60 to 90F scaleplate

to resolve drifting temperature readings in one service call

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

Cleveland Controls AFS-275-112 Switch As a veteran's choice forThe 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