The White Rodgers 30A46-105 Mercury Flame Sensor is engineered for dependable flame detection in gas-fired heating systems. Featuring a 12-inch sensing element without a locating stud, it is compatible with White-Rodgers Diaphragm, "Cushioned Power," and "Silent Knight" gas valves equipped with plug-in receptacles.Key Features:
- Plug-In Design: Facilitates easy installation without additional wiring or mounting hardware
- SPDT Snap-Action Switch: Enables the ignition circuit to relight the pilot flame when necessary
- Mercury-Actuated Thermal Element: Ensures reliable flame sensing performance
- Gas Compatibility: Suitable for natural, manufactured, mixed, and LP gases, provided there is an automatic pilot gas shut-off mechanism
- Recycling Operation: Automatically resets after flame loss, requiring relighting or restoration of proper gas pressure to resume operation