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Thank you for the replies. It seems there is no definitive answer. The only thing I can think is that by removing it all, we can't be doing anything bad. If we leave the old insulation and boards, there maybe draughts between the insulation and boards, and that can't help. This might...

I have a question about getting our loft insulation upgraded. We currently have some old insulation between the joists (only an inch or two thick) and most of the loft has been boarded over (not insulating boards or anything special). We don't need the storage space, so pulling up the...

We can get to the pipes to the upstairs basin. On the hot spur to the tap there is a shut off value (compression fit) - about half way between the main hot loop pipe and the tap. I guess it would be interesting to see if we see anything come out of this when the pump is on. If there is...

Thanks for the replies so far. Here are some answers to your questions... trevw: Q. Has it ever worked? A. It did once, but the loop was extended to go on to the kitchen. They then found a problem with a loop going to the shower - this was changed to just be another spur. It still...

That looks like what I have.

Hi - thanks for replying. I'll try to answer as best I can, but I'm not sure if I will use all the correct terms. It is gravity fed - there is a venting pipe going up into the attic tee'd off the pipe feeding hot water into the tank from the boiler (which is right next to the tank) - is...

My plumber is stuck, and don't have much clue, so I am after any ideas that I could pass his way! We have a hot water loop, with a Grundfos UPS 15-50 pump circulating the hot water, fitted on the return just above the hot water tank (which is downstairs). We know it is working because the...