offering a secure mechanical lock without requiring specialized tools

often appearing under different branding (Barber Colman vs

Designed as a direct OEM replacement start capacitor

Durable Construction: Engineered to withstand the high-temperature cycles of residential gas furnaces

it immediately signals a lockout to prevent unburned gas from accumulating in the heat exchanger

Williams P323031 Limit Switch offering a secure mechanical lockThe Williams P323031 Limit Switch is a critical genuine OEM replacement part engineered specifically for technical compatibility with Williams Comfort Products floor furnaces. This fixed temperature 95F limit switch serves as a primary safety control, monitoring the internal cabinet air temperature to prevent heat exchanger damage and system overheating. As a vital component for gas furnace safety control, it initiates a circuit break if temperatures