Mercury Flame Sensor, 42" Element

FeaturesFor Cushioned Power And Silent Knight Gas ValvesPlug-in feature requires no additional electrical connections or mounting devicesSensor combines a rugged Snap-Action SPDT switch and powerful mercury actuated thermal elementMay be used with natural, manufactured or mixed gases and with LP gases where means are provided for obtaining automatic pilot gas shut-offNo button to depress - Sensors are recycling type which require relighting or possible restoration of proper gas pressure to return to operationThe SPDT switch can energize ignitor circuit to relight pilot (as with roof top units)