Siemens Building Technology134-1511 SPDT Electric Low Temperature Thermostat 20' x 1/8" Capillary 35°F-45°F Manual Reset

Siemens 134-1511 is a precision designed device to measure and to control the temperature at a particular range. This electric low temperature thermostat is equipped with a double throw , single pole switch which will activate or deactivate an electrical circuit in response to temperature changes. In HVAC systems, it is widely used and if you need your temperature to be kept to within a few degrees either side of 35°F and 45°F. This thermostat is working by using a capillary tube filled with a liquid that expands or contractions with variations of temperature. The SPDT switch is activated to control linked equipment.