A caught closed thermostat is a thermostat that’s unable to open, inflicting the system it controls to overheat. This is usually a major problem, as it might probably result in harm to the system and even to a hearth. There are a selection of issues that may trigger a thermostat to stay closed, together with a build-up of grime and particles, a defective electrical connection, or a mechanical drawback.
It is very important concentrate on the indicators of a caught closed thermostat in an effort to take motion to repair it earlier than it causes any harm. These indicators embody: