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Why is a F&E preferred with corrsosion and oxygen able to enter the system

Hi Its 28mm pipework The leak is coming from the valve joints which attach to the casing - I had a gas engineer come out and he tried to tighten it but said its leaking

What is the reason for this in the second quote - Do you have steep pipework by any chance or a one pipe system ? HEATING CIRCUIT IN SMALL-BORE (15 & 22mm) A two pipe accelerated small-bore system, using copper pipe to BS 2871 and Hep2O plastic pipe to BS 2791, concealed beneath the 1st floor...

My Magnaclean filter 28mm is about six months old - I replaced it already once in January and I can see that it is leaking from the isolation valves again Is this normal? It was bought brand new and I wonder now if I should get a brass filter Previously I was told that these magn filters...

I drained it down twice and there is still an airlock on one horizontal pipe which is so annoying Anything else I can do before a plumber has to come (who will probably say he cant do anything because the pipe is steel and not copper)

It does not look like it is leaking but I worry that if I take off the flashband then I will expose a leak and I prefer to tape over to give it a further level of protection Is there no waterproof tape that can be applied over joints ?

Should I really be using flashband on this soil pipe or is there a better tape to wrap round the joints just in case there is a leak before its decorated and boxed in

My sister had a leak and opened the box around the soil pipe - It looks like it was repaired before and the leak was from a loos joint. Is there any tape that can be used around the joints before the box is put back? Is gaffer tape suitable to provide a tight water seal? I tried the self...

Wow strange to hear this - I wonder if the poster did in fact get the house replumbed !

Thanks so what do you normally do? Move everyone to sealed and rely on the 2 / 3 problems over 20 years or something a bit more sceintific

I have steel 2 inch pipework and also very worried about this as well - Can pipiework irrespetive of copper or steel be pressure tested? Would old school pegler TRVs also be able to handle 2 bar sealed pressure I am told that open vent pressure is something like 0.1 bar so its 20 times as...

Sorry that should read big pipeworl - More than 22mm pipe work to radiators Ill try a drain down thank you

The fande tank is fairly new and not dirty The radiators affected are the old cast iron radiators - They have bib pipework as well I am quite sure there is an airlock and I wonder how it can be removed Raditor on first and second floor not filling

I drained down my one pipe system for boiler test and when refilled the central heating is only partly working - I can see one horizontal pipe that feeds the radiators that feels cold and I am sure it is an airlock. Is it advisable to drain down and refill with the hope this might clear the...

Thank you - can I ask what type of property would require a 30KW open vent boiler in that case? Manufacturesr clearly make them so who is buying them Here is what the engineer who visited a long time ago on a paid visit wrote "The existing boiler has a maximum heat input rating of 45Kw...

I would be keen to understand more about this - Are you saying that a 13Kw heat boiler is good for your house of 4 beds and three bathroom which is poorly insulated? Did you repipe the house or just boiler change? This souonds like my house with a boiler in outhouse but the only difference is...

Thank you - Heat loss calcs are being obtained 1) I also have many single glazed wood windows Would the one pipe system not kean towards a much higher boiler ouput? The intergas heat only can be range rated all the way down apparently so a 30Kw can act as a lower boiler if needed If I dont...

I am having my boiler changed from an Ideal Mexico 2 boiler (which apparently was 36Kw) I was told that a 30Kw heat only boiler is the minimum size I need because a) The boiler is in an out house b) I have a one pipe system so need red hot water on the flow which will come back cold Is...

Thank you - I have the same sized house, and same boiler so thought it was useful to restart this thread! Ill post a new thread no problem

I am in a similar situation and wanted to replace my Ideal floor standing boiler. @Chris43 1) Did the boiler work out well in the end for you? 2) Was the plate exchanger neccessary? 3) Any issues with the boiler being in a boiler house and was it outside in the elements? Would be great...