Converting gun barrel oil heating system to gas heating

kilburn wrote: »

Hi Folks

Looking for some advice have a 3 bed semi d with oil heating 8 rads timber suspended floors, the gun barrel metal system is quite old, looking to convert from oil to gas.

I imagine I would need to replace the whole piping system is this right?

Any ideas on costing and duration of a job like this?

Thanks

If you were to change all pipework and rads you'd be looking at 6-7k including a new boiler

kilburn wrote: »

Thanks for that I was under the impression I would have to change the pipes and rads if not that would be great just change the boiler and get connected to the mains

It depends on how old the pipes are. Usually 30 years for gb. If you are staying with them, make sure your system is properly powerflushed and a magnetic filter is fitted at the new boiler

I don't think much gun barrel went in in 80s so it must be over 30 years old. If it really is gun barrel and there is any doubt at all about the quality of the piping, I would be inclined to replace it. It is expensive but it is a really good investment because it will save you having to pull the house to bits again in the future to do this essential upgrade. Dodgy plumbing will cause headaches in all directions, with boiler heat exchangers, pumps, hot water and eventually leaks. A magnetic filter is a good idea but it is another cost item. It would be better to put the money toward getting rid of bad pipework if you can afford it at all.

It is also a good idea to replumb with bigger radiators than you currently have, to get the maximum efficiency out of the boiler. Really needs advice of a plumber on-site.