It features a 3-inch element and a high-efficiency flow rate rated at 1

maintaining the long-term efficiency of the refrigeration cycle

handling media temperatures from 35°F to 250°F and close-off pressures up to 95 psi

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

Siemens Building Technology 540-670A Sensor 320720-756 It features a 3-inch elementThe 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