Trane SWT1273 Limit Switch Els PW 17895 the Nordyne 259200R is the

the Nordyne 259200R is the updated manufacturer-specified replacement and is fully backwards compatible with all units previously utilizing the 259200 harness

They are the same technical component and are interchangeable for 1/2" flare configurations

supporting pilot duty ratings up to 277 VAC for seamless integration with existing control circuits

you will connect the white (common) and red (208V) leads

Trane SWT1273 Limit Switch Els PW 17895 the Nordyne 259200R is theThe Trane SWT1273 is a critical safety component designed for furnace heat exchanger protection and blower control. As a technical auto limit switch, this high limit temperature switch features an L220 30 rating, which means it is engineered to open the circuit and interrupt heating operation when internal temperatures reach 220F. Once the system cools down to 190F, the switch automatically resets to resume normal unit cycles without requiring a