The White Rodgers 3L12-220 is a 1/2" SPST manual reset flame rollout switch designed to enhance safety in gas-fired heating systems. Engineered for reliability, this snap-disc limit switch is ideal for furnaces, unit heaters, and rooftop units, providing critical protection against flame rollout conditions.Key Specifications:

• Cut-Out Temperature: 220°F (104°C)
• Switch Type: Single Pole, Single Throw (SPST)
• Operation: Manual Reset – requires manual intervention to restore operation after tripping
• Action: Opens on temperature rise
• Terminals: 1/4" Quick Connect
• Mounting Size: 1/2"

Product Highlights:

• Detects excessive heat and interrupts power to prevent equipment damage
• Manual reset ensures system inspection before restart, enhancing safety
• Compatible with a variety of heating applications including furnaces and unit heaters
• Part of the trusted White Rodgers line of safety controls, available in multiple temperature ranges

Available now at Beenimax – your reliable source for OEM HVAC components.