What should be done with the capillary tube of a thermostat if it is installed in close quarters?

Insulating the capillary tube of a thermostat when it is installed in close quarters is essential for maintaining the accuracy and performance of the thermostat. The capillary tube is responsible for sensing temperature changes and transmitting that information to the thermostat. If the tube is exposed to external temperatures, it can lead to inaccurate readings, which may cause the thermostat to operate improperly, either cycling too frequently or not activating at all.

By insulating the capillary tube, you create a barrier that protects it from unintended temperature influences. This ensures that it reacts solely to the environment it is meant to measure, promoting reliable and efficient operation of the entire system. Proper insulation improves the overall performance and longevity of the thermostat and associated equipment, helping to maintain the desired temperature within the controlled environment.