Always verify your specific model's parts list

and is used extensively in boilers

including Arcoaire

While it comes with a 0

preventing thermal degradation of the copper shielding

Rheem-Ruud 47-41884-01 Limit Switch Always verify your specific model'sThe Rheem Ruud 47 41884 01 Limit Switch is a critical safety component designed for high pressure monitoring in residential and commercial HVAC systems. This manual reset pressure switch features a 1 4 inch sweat connection, engineered to interrupt the electrical circuit when system pressures exceed the 440 PSI open setpoint. Operating as a normally closed SPST switch, it provides a vital failsafe by preventing compressor operation or system cycling