Oil heating not working

dude23

Hi I've recently moved into a new house which was vacant for about a year or so. Anyway I turned on the heating to make sure it's working it stays on for about 5-10mins and turns off and it doesn't heat the rads. There is plenty of oil in tank and I've bled it. Any help appreciated thanks

Ivan2148

Is there a room stat in house controlling boiler? , when u say stays on for 5 - 10 mins what happens power to time clock turns off or does high limit stat on boiler kick in ? if not sounds like boiler pump jammed or seized to me >

agusta

Id agree with ivan,it looks like its the pump.Can you see the circulating pump beside the boiler?,The armature in the pump may just be stuck and it should be possible for you to free it.you should really be getting the boiler serviced too and set up with a flue gas analyser too

Wearb

As you have been able to bleed the system, you have water in it.
It is either the circulating pump or no zone calling for heat. If no call for heat the the boiler shouldn't run, sometimes they aren't wired as they should be.

Like Agusts said, it would be best to have it serviced to identify any problems and have it running efficiently for the coming winter.

dude23

Hey thanks for info Ive called fella to service boiler for me anyway coming tomorrow

Wearb

There are threads here about what is required from a good service. I would at least request an electronic printout of the Flue Gas Analyser readings. It is about the best that the lay person can do to make sure of a proper job.

It should be requested at time of service booking, or at least before service man arrives.
There are good service people out there who don't supply this, but by now I think all customers should be given such a document. Any service person who understands combustion and heat transfer, should be aware of the need for this and the economic benefits to the customer of this fine tuning. A good annual service will pay for itself each time. It will also reduce breakdowns (usual at the beginning of a long cold weekend) and prolong the life of the boiler.