Precise Thermal Calibration: Features a factory-set 240-degree Fahrenheit thermal cutout to protect the heat exchanger from damage

providing the necessary clearance for actuators mounted away from the damper frame due to insulation or physical obstructions

Versatile Voltage Compatibility: Rated for use with 120V

low-impedance connections for critical control data

Sleek Professional Finish: The deep black color provides a modern

Siemens Building Technology RAA20U Thermostat Els PW 17895 Precise Thermal Calibration: Features aThe Siemens RAA20U Thermostat is a high performance mechanical solution designed for precision temperature control in heating only or cooling only applications. Functioning as a two wire, gas diaphragm based room thermostat, this unit offers a reliable two position (on off) control algorithm suitable for both 24V low voltage and line voltage systems (24 to 277 Vac). As a veteran technician knows, the Siemens RAA20U is the direct replacement for 1A10