What does SPDT signify in this application

This wheel is primarily used in Wayne Combustion E Series burners

this replacement pilot light may fit other brands if the voltage rating and mounting hole diameter match the existing panel configuration

000 AFC (Available Fault Current) rating

the line cord must be replaced with permanent conduit to meet electrical code requirements for 240V operation

Emerson Alco 097793 Pressure Control 30067439-890 What does SPDT signify inThe Emerson Alco 097793, also identified as the PSC W6S Pressure Switch, is a commercial grade mini high pressure control engineered for precision sensing in refrigeration and air conditioning systems. This unit features a versatile SPDT switch configuration, allowing for seamless integration of both safety cut out and auxiliary alarm circuits. Designed with a robust stainless steel bellows and a built in pressure pulsation snubber, the 097793 excels