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filtration
5 TR for R22 systems
Use a manometer to verify the inducer is pulling at least 0
Look for visible cracking
Rheem-Ruud 47-23117-03 Limit Switch filtrationThe 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. This SPST normally closed switch is factory calibrated with an 85 degree F fixed open temperature and a 75 degree F fixed close temperature, ensuring it breaks the burner circuit if internal cabinet temperatures exceed safe thresholds. Designed for maximum reliability in high cycle
