Combi Boiler Hot Water Not Working

The circuit breaker or fuse controlling the furnace may have tripped or blown.

Combi boiler hot water not working.

All about combi boilers. Water is heated instantly when a hot tap is turned on so there is no need for a hot water storage cylinder making them the perfect choice for homes where space is at a premium. Oil fueled boilers and heating systems are popular in areas where there isn t ready access to natural gas. Combi boilers provide heating and hot water on demand and the diverter valve directs the hot water to either the radiators or the hot water outlets.

The combi boiler can then deliver faster but only for as long as the water store lasts. If there is no hot water from the boiler there may be no water flowing through the system at all. They also allow the homeowner to use renewable fuels and some companies are even offering mixes of heating oil and biodiesel which produces less pollution than heating oil alone. One sign of this is if you need to turn the central heating to maximum in order to get any hot water.

Modern combi boilers are just perfect for not taking up a lot of space in the home whilst giving you instant access to hot water and heating day or night at a moment s notice. 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. After that you may have a shower going hot and cold because the combi boiler can only pass on what it receives. In the event that it gets stuck you could end up with hot water but no heating or vice versa.

The boiler has no power. Maintain water level in the boiler at half full the boiler s automatic filling system controlled by the pressure reducing valve should maintain the proper water level at 12 to 15 psi of pressure. However as a piece of equipment that is typically in use 24 hours a day seven days a week it is inevitable that from time to time problems may occur. There are no hot and cold storage tanks or expansion tanks to worry about so you can reclaim space in your attic or cupboard.

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. Most uk homes rely on a gas combi boiler for both heating and hot water. No hot water from a combi boiler. Main issue 2.

Your combi boiler is on its way out. Reset the tripped circuit breaker or replace a blown fuse. For heating systems that include a combi boiler there could be an issue with the diverter valve. A combi boiler only does one thing and that s heat water with gas.

If the diverter valve is not working properly it could be stuck in the central heating position or may have developed a fault.