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Was looking round a new house build and as a one time Plumber was looking at the pipework in the cylinder cupboard. I was chatting to the Plumber and queried the way he had positioned the cold feed and expansion pipe. On the main pumped flow to the cylinder he had branched off into the...

Dave, I presume these are pressurised ones with simply a mains feed. I fitted many of these in industrial sizes of of up to 800,000 BTUs and they were cracking boilers and mainly Italian. They used a separate expansion tank bolted to the wall. That could be a good option and will look into...

Dave..The existing gas back boiler which does the job is 40,000 Btu in old money which I find is 11.7KW. The bathroom is large enough to site it well away from over the bath. The condense pipe would be able to go down the side of the house into an existing drain gully. So I suppose it would...

Thanks for your replies. I thought the glossy brochure and buying my old boiler back was a bit too much. They can have it for free when it comes out. Looking for suitable places, would an outside tiled wall of the bathroom be a suitable place for installation. Would I be right in thinking...

I am a 6 year time served plumber & heating engineer, ex Corgi and retired for quite a number of years. I’m looking for general advice as follows. When we moved into our present home some thirty years ago there was only a coal fired backboiler for DHW. I installed central heating using a Glow...

Sorry I have not answered before but was busy. As regards the points score I understand the system and would reach the necessary amount to jusify the replacement needed. However I will not involve the system and simply replace myself. wemyss

Thanks for the comments. Will probably put a new one in as you suggest. I didnt know there was a recommendation to replace. wemyss

Will shortly be replacing my Gas back boiler with a new one. The new one is less in height making the 5" flue liner probably needing extending. I have a few feet of this and wondering if there is a commercially made fitting to extend the liner, or if I have to use a piece of rigid off the...

Brumylad..Before the introduction of Titan and bolted glands we used to lead caulk cast iron water mains. Thes had to be done horizontally of course and the procedure was to first of all caulk tarred hemp rope in to the joint using the lead caulking tools you have bought. Always a small...

Should perhaps add that the above is for a conventional system and would not include a Combi boiler or a pressurised system. The tank to isolate in the roof space provided it is a conventional system would be the small one only. If there is no isolating valve on the feed out of it you would...

Yes you could change the rad without draining all the system down. As you suggest if you have a valve on the supply from the tank you would close that down. Turn off all the rad valves on all the upstairs. With a bowl underneath the rad which is being replaced crack open the union and allow...

Its a bit hit and miss Brightness. As you probably know you can go to their site and enter your postcode to see if you can receive freeview in your area. Having said that a mate who lives in a town 25 miles away found he was not able to receive in his area but went along and bought one. He...

Thank you for your comments. I have downloaded the relevant regulations regarding the points system today and understand them. I see no difficulty in attaining the required points to enable me to replace with another backboiler. wemyss.

Jdey. When I said I crushed this pipe with my hands it was because it had corroded so badly. If yours is solid and hasn’t corroded I wouldn’t replace it unless you were experiencing leaks. Regarding the corrosion of copper this isn’t really so. Copper will oxidise and turn green exposed to...

Jdey. On the positive side the steel tube in the Admin Block is still there today without any problems. I retired ten years ago and by then was off the tools and was the principal Engineer for this site. I had always dreaded the thought of having to replace this pipe as it housed 200 Admin...

Well Nige I did my apprenticeship in the 1950s and the first time I saw this dreadful tube was doing the plumbing and heating in about 1969 of a large administration building. This tube could be bent with a pipe bender but needed some muscle. It could be used with capillary fittings with a...

When you use the phrase iron pipe could you describe it. Are they perhaps referring to the stainless steel type tube which was introduced in the late 60s. Its the same size as copper tube but is silver in colour and was introduced around the Rhodesia problems as a substitute for copper tube...

My Glow Worm Majorca 2 back boiler has just reached its 30th birthday and is a credit to the Company and the tried and proven cast iron boiler. However spares are unlikely and only recently was lucky enough to have a mate retired who had some radiants in his garage. I was a Plumber for 20...

It used to be in Scotland that the jury could bring a "not proven" judgement and perhaps still is. Perhaps this should be the case in England / Wales. The Judge had allowed a majority verdict of 10-2 so it could well have been the majority thought him guilty. He was aquitted and wasnt found...

Breezer, Just been searching the web. Go to http://www.diydoctor.org.uk/projects/lights_and_switches.htm Scroll to the bottom illustration of two gang switches. It says both switches can be wired one way. Does this mean independantly?.