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The two carbon brushes appear fine just some black carbon dust but the contacts with the armature ares mooth and shiny

Washing machine works fine apart from no spin cycle. All washing programs operate but during spin cycle no spinning at all. I have cleaned all the drain pipes and by squeezing the tube to the pressure switch, the pressure switch clicks. I have noticed that there seems to be some less...

System was working up to when I drained it and then found I could not refill via the expansion tank/cold feed. I can get a flexible pipe cleaning snake right up to the entry into the boiler, but it is a right angle bend so cannot put any pressure on the actual blockage. Hence propose to...

Definitely blocked/scaled up at the entry to the boiler. Will try the restorer/cleaser method. Is Fernox Super Concentrate Restorer the best one to try?

I have had a look the whole length of the feed pipe and there is nothing, it is a direct connection down to the boiler. The Pump method did not work. So suction now.

Thanks for the suggestion. I tried applying the water mains to the feed pipe but no success. So its a pump now.

Ok read the piece from Chris again and I understand it all now. Will give it a try.

Chris. You are correct, the cold feed is connected directly to the Neataheat and it is installed in the corner of a room so access impossible. Since the cold feed is connected directly to the boiler I cannot see the difference between carefully applying mains to either the vent or to the top...

I found that on draining my system the level of the expansion tank does not change, although water does run out from the drain plug at ground level. I have opened all the bleed screws in the radiators. The cold water feed goes direct to the boiler which is a NetaHeat however to gain access...