Armstrong Furnace R37520B002 Rollout Switch Direct OEM Fit: Drop-in replacement

Direct OEM Fit: Drop-in replacement for the Weil McLain 560-528-997

As a 55 microfarad 440Vac oval run capacitor

If your compressor requires high starting torque (HST) for expansion valve systems

this kit is essential for preventing combustion gas leakage and maintaining the atmospheric integrity of the burner assembly

Armstrong Furnace R37520B002 Rollout Switch Direct OEM Fit: Drop-in replacementThe Armstrong Furnace R37520B002 Rollout Switch is a critical safety component designed for precise thermal monitoring within residential gas furnaces. Engineered for high temperature sensitivity, this manual reset rollout switch is calibrated to trigger at 225 degrees F, ensuring the system shuts down if flame rollout or excessive heat is detected outside the combustion chamber. Utilizing a Single Pole Single Throw (SPST) configuration, this limit