When troubleshooting furnace lockout codes related to thermal limits

a 1-1/2 inch thin-wall socket is recommended to ensure a secure seal without stripping the hex head

Designed specifically for compatibility with Daikin Applied and legacy McQuay rooftop units

utilizing this genuine Rheem-Ruud 24V transformer ensures strict adherence to factory specifications and optimal component longevity in both heating and cooling cycles

As a genuine 2-stage

Johnson Controls A99BB-600 Temperature Sensor Els PW 17895 When troubleshooting furnace lockout codesThe Johnson Controls A99BB 600 is a high precision PTC silicon temperature sensor engineered for demanding HVACR applications, offering an exact 1: 1 replacement for the A99BB 600C model. This 1000 ohm temperature sensor features a negative temperature coefficient (PTC) design that ensures linear resistance output across its entire 40 to 212? F temperature range. Designed for versatility, this sensor is a staple for HVAC controllers and refrigeration