Carrier KSAFT0101AAA Defrost Stat 321042-401 though internal components should be

though internal components should be protected from direct moisture or heavy vibration

and R20408001 across various Lennox

water up to 150 PSI

Built to exact York S1-3110-3571 specifications

A veteran technician will test for continuity using a multimeter while the furnace is cold

Carrier KSAFT0101AAA Defrost Stat 321042-401 though internal components should beThe Carrier KSAFT0101AAA Defrost Stat is a critical OEM replacement part designed to regulate the defrost cycle and prevent indoor coil freeze up. This evaporator freeze thermostat is essential for low ambient applications, particularly when utilizing MotorMaster controllers for precise head pressure management. As the direct replacement for the legacy KAAFT0101AAA, it ensures seamless compatibility across a wide range of Carrier and Bryant equipment,