While a temporary jumper can be used to diagnose a faulty switch

Operating effectively at 120Vac or 240Vac

Swapping stages can lead to improper combustion and limit switch tripping

Always verify the mounting bracket and wire lead length for the specific application

Mitsubishi Electric U01A01307 Thermistor L99H008 While a temporary jumper canThe Mitsubishi Electric U01A01307 Thermistor is a critical indoor coil sensor designed for high performance mini split maintenance and repair. This 26 inch OEM component provides high precision resistance feedback to the indoor unit's control board, preventing evaporator freeze up and ensuring accurate HVAC temperature monitoring. As a genuine Mitsubishi replacement part, it eliminates the calibration drift often seen with universal sensors,