This thermal limit switch is engineered to open the circuit at a 155F cut-out temperature

Enhanced Durability: Constructed with heavy-duty silver cadmium oxide contacts to resist welding and pitting during high-cycle operations

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

Dual Frequency Versatility: Operates efficiently at both 50 Hz and 60 Hz

ensuring continuous HVAC safety control

Rheem-Ruud 70-42540-04 Blower Shaft Els PW 17895 This thermal limit switch isThe 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