Replacing a fouled or cycling limit switch is essential for maintaining proper furnace sequences of operation and preventing premature component failure due to restricted airflow or oversized firing rates

it is essential for technicians performing seasonal maintenance or troubleshooting ignition failure codes in high-efficiency furnaces and boilers

Reliable Terminations: Secure dual blade terminals facilitate a clean connection for consistent current delivery during the start phase

While primarily listed as a door plug button

This 160F manual reset limit switch is the direct OEM replacement for legacy part numbers 626557 and 626557R

Armstrong Furnace R46895-001 Flame Sensor Replacing a fouled or cyclingThe Armstrong Furnace R46895 001 Flame Sensor is a critical OEM replacement component designed for precise flame rectification in Armstrong Air and Allied Air residential heating systems. As a veteran grade flame sensor rod, this part provides the essential microamp signal to the integrated furnace control board, ensuring the gas valve remains open only when a stable flame is present. Constructed with high grade alumina ceramic insulation and a heat