This genuine furnace limit switch replaces multiple legacy part numbers including 63215D1

Replacing the full set of 9 ensures uniform pressure across the header plate

Does the guard need to be removed to change the battery or adjust the temperature

this kit resolves mechanical failures like stuck valves or coil burnout caused by internal obstructions

Technical specifications confirm it operates reliably within a temperature range of -30°C to 60°C

Rheem-Ruud 70-42540-04 Blower Shaft Els PW 17895 This genuine furnace limit switchThe Rheem Ruud 70 42540 04 Blower Shaft is a critical mechanical component engineered for precise torque transmission in commercial and residential air handlers. Measuring 22 7 8 inches in length with a 1 inch diameter, this shaft is manufactured to maintain strict tolerances, preventing vibration and premature bearing failure. As a direct OEM replacement part, it ensures proper alignment within the blower assembly, which is essential for maintaining