What is an overheat thermostat?
UNDERFLOOR HEATING Overview The Overheat thermostat is designed to be used in conjunction with a Reliance Thermomix Pack, and protects against excessively high temperature water entering the flow manifold and underfloor heating system.
Why is my Worcester boiler overheating?
Overheating boiler You Worcester boiler could overheat because of a faulty pump or fan, a blocked condensate pipe or due to excessive limescale on the heat exchanger. The cause can be quickly identified and resolved by an experienced engineer.
What does reset button do on Worcester boiler?
Worcester Greenstar Ri Boiler Reset When the boiler resets the mains indicator will no longer be flashing and the boiler will function normally, dependant on the programmer and room thermostat settings. A reset fault condition will exist If the electrical power to the boiler has been interrupted.
Why is my central heating getting too hot?
A boiler overheating is often the result of the safety features failing. Boilers will overheat when the hot water that should be sent to the central heating system, taps or a hot water cylinder is being prevented from circulating. This is normally due to a failed part, such as the pump, or a blockage in the system.
Why does my hot water keep cutting out?
Airlock. Sometimes, air can become stuck in your hot water or central heating system. This trapped air can become a block that will prevent hot water from circulating as it should. Airlocks can prevent hot water from running out of your taps or could stop your radiators from heating up.
Why is my boiler giving me hot water but no heating?
If you’ve got hot water, but no central heating then there are more issues it could be if it’s not the thermostat or the boiler pressure. Common reasons for this particular fault are broken diaphragms and airlocks, or a motorised valve failing.
How do I fix my boiler from overheating?
What You Can Do To Prevent Your Boiler Overheating
- Hot flush your boiler to remove limescale and heating sludge.
- Add central heating inhibitor to your heating system.
- Install a scale reducer.
- Install a magnetic system filter.
How do I know if my central heating thermostat is working?
The most common signs of a broken thermostat are:
- Thermostat display is off or is non-responsive.
- Turning on the heat or AC does nothing.
- The heat or AC will come on, but either stays on nonstop or cuts out before the temperature setting is reached.