Carrier KSAFT0101AAA Defrost Stat 321042-401 Built to exact York S1-3110-3571

Built to exact York S1-3110-3571 specifications

or an inability to maintain the spring-return position when the signal pressure is held constant

and R20408001 across various Lennox

This direct drive fan coil motor is a reliable solution for high-static MOD 04 units and is built to withstand the rigorous demands of commercial HVAC environments

Carrier KSAFT0101AAA Defrost Stat 321042-401 Built to exact York S1-3110-3571The 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,