This OEM Sterling replacement part is field-proven for HVAC unit heater repair

as well as the 5K49RN6499S model

it is rated for dry

This hermetic compressor is built to withstand high head pressures and demanding duty cycles typical of 4-ton to 5-ton split systems and package units

Non-Removable Trippers: Captive 15-minute segments prevent lost hardware and simplify complicated scheduling

Siemens Building Technology 540-670A Sensor 320720-756 This OEM Sterling replacement partThe Siemens 540 670A Room Temperature Sensor is a precision engineered analog room sensor designed for seamless integration with Siemens APOGEE and TALON building automation systems. Featuring a rugged beige enclosure, this 10k ohm Type II thermistor sensor provides accurate HVAC zone control by monitoring ambient room temperature. This specific model includes a sliding setpoint adjustment (55F to 95F) and a manual override button (O R), allowing