A caught closed thermostat is a thermostat that’s unable to open, inflicting the system it controls to overheat. This could be a major problem, as it could result in harm to the system and even to a hearth. There are a variety of issues that may trigger a thermostat to stay closed, together with a build-up of dust and particles, a defective electrical connection, or a mechanical downside.
It is very important pay attention to the indicators of a caught closed thermostat to be able to take motion to repair it earlier than it causes any harm. These indicators embody: