Boiler Hot Water Heater Not Working

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.

Boiler hot water heater not working.

This is is a valve that opens and closes to provide heat to the radiators or to heat your water. Oil fueled boilers and heating systems are popular in areas where there isn t ready access to natural gas. A water heater that produces no hot water may not be getting power or it may have a tripped limit switch or one or more failed heating elements. Over time water contaminants can build up and harden in the bottom of your water heater reducing its ability to produce ample hot water.

This is a special part of the system which allows your combi boiler to switch between hot water and heating. Maintain the 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. First check the water heater s circuit breaker in the service panel to make sure it hasn t tripped. However if that is not the cause of the problem it s not difficult to troubleshoot your water heater to locate the issue.

The most obvious reason an electric heater doesn t work is that it s not receiving any power. Reset the tripped circuit breaker or replace a blown fuse. One sign of this is if you need to turn the central heating to maximum in order to get any hot water. The water level is low.

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. If you have no hot water there are several possible reasons and you need to work through each of them methodically to eliminate each one and this will also depend on whether you have an electric or gas powered heater. If your boiler is struggling to provide hot water despite appearing to be on and working there are some things you can check yourself at home. However please be aware that the following advice should only be used to help you identify the problem.

An absence of hot water generally occurs as a result of all the hot water in the tank being used up for example by running both the washing machine and dishwasher at the same time. All repairs and handywork should be conducted by a qualified gas safe registered engineer. If the diverter valve is not working properly it could be stuck in the central heating position or may have developed a fault.