Combi Boiler Hot Water Not Working

This is is a valve that opens and closes to provide heat to the radiators or to heat your water.

Combi boiler hot water not working. You can check the pump itself at the boiler without having to remove the boiler cover on most models so listen for the water flow there. The ideal logic is one of the most common combi boilers on the market and on the whole is a pretty good little mid range combi boiler. Our plumber say s it is quite often a problem that goes undetected. One sign of this is if you need to turn the central heating to maximum in order to get any hot water.

Main issue 2. This is a special part of the system which allows your combi boiler to switch between hot water and heating. These thermostats usually require two aas. If you have eliminated any other causes listed above and you still have heating but no hot water or your boiler heating is not working but the water is then it is likely that you have a problem with the diverter valve.

No hot water from a combi boiler. Some thermostats control not only the heating but the water heating and a thermostat will not turn on unless it is set above the ambient temperature of the room. If there is no hot water from the boiler there may be no water flowing through the system at all. Your combi boiler is on its way out.

Top reasons why with costs to fix 1 pilot light not lit no flame no hot water boilers burn gas or oil and to do so require a pilot light. But it does come with its problems one of the most common boiler faults that we have found is a no hot water issue. A combi boiler only does one thing and that s heat water with gas. If your hot water is working but your radiators aren t getting hot despite the thermostat telling you the heating is on check the thermostat is not flashing up with a battery symbol or displaying a flashing light on the receiver unit at the boiler.

But it definitely has a faulty part and it s probably the diverter valve. If you are realising your combi boiler is too small for what you want give a thought to a regular boiler system before you decide. A boiler not working that still provides heating is a brave boiler indeed. Like the op my combi when it does go it is usually only due to not being able to get hot water that brings the problem to light.

Make sure your thermostat is set at least five degrees higher than the room s actual temperature. If the diverter valve is not working properly it could be stuck in the central heating position or may have developed a fault.