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HELP! So, I replaced pump, both gate valves and refilled system. Except there is a leak on one of the gate valves. The leak is behind the small nut so I guessing the olive or pipe not so good?. I have tightened hard only just a bit better. Looks like I have to take it all down again and...

Leak behind the nut

I hate putting safety googles over my prescription glasses. It either steams up quickly or just can't see through them properly. I also find that the googles I purchase either scratches quickly or just not clear enough in the 1st place. So wondering if you can point me towards very good...

Thanks, that's another good point. I wished I had asked all these questions yesterday before I re-filled the system.

Thanks for the advice, I did not realise the big ones come off the body till you mentioned it. Will try the chisel approach 1st else cut and use the 2 new valves I purchased the Grundfos UPS3

I could do with some advice please. The large nuts on the 2 gate valves won't shift. The stillson type wrench I have can hardly grip properly especially because of the tight space. I able to undo the smaller nuts but the sections of the pipes going into the gate valves (at top & bottom) won't...

...mmm lots of food for thought. I am going to do another full system drain just to make sure there is no x800 still hanging around. I have had to drain the whole system by opening all the valves on each radiator on the ground floor so clearly I don't have 'a' lowest point. It also just...

True, completely forgot about that. I already used it over 4 days a couple of days ago. Please what issues could arise so I can keep my eyes/ears out for?

@Mottie , that sort of looks like it might work by keeping the fern filter body tilted at 45°. Still awkward servicing because the body will have to be rotated horizontally to remove the magnet at the top. Why do manufactures state filters are best installed on the return to the boiler?. Only...

Thanks both. I'll go with 1 of the pumps. Good they are available at Screwfix. Regarding the Filter. I checked Adey website and the best location is return to the boiler. The next possible location is between the pump and the 1st radiator hence the location immediately after the pump in my 1st...

Space available for Filter

I have a feeling my existing pump is a potterton .... considering that the prima 40F boiler, (original) programmers and 9 radiators are. Looking for a drop in replacement is showing a few different units with a very wide price range. Please which would be ideal one to go for ?. A pic below if...

Thats right, local

So, I have narrowed down to 3 architects(or designers) on planning portal from recent builds close to me. Is there a way to search other jobs done by them on the planing portal ?

The x400 is in now for over a week, though wished I had used 2 bottles. The only exposed pipe work in the house is above the boiler and in the tight airing cupboard. Regarding Magnaclean: There is only a 22mm vertical height between the ceiling and the boiler (see pic). I doubt even the...

Boiler in Kitchen

I might have spoken too soon. I pressed the overheat thermostat under the boiler and it started working. I noticed while draining the system that it was not that fast. I was hoping the water will come out fast like tap water. Is this normal or I have to also open all bleed valves around the...