This Rheem door switch, also known as a safety interlock switch, is a critical component in HVAC systems. It is designed to interrupt the electrical circuit when the furnace or air handler door is removed, ensuring that the blower and other components are not operational while maintenance or inspection is being performed. The switch operates on a Single Pole Single Throw (SPST) mechanism, meaning it has one input and one output. It's rated for 24 volts AC (VAC), which is standard for most residential HVAC systems. The Rheem door switch is compatible with various Rheem models, making it a versatile replacement part.
