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and the winner is..... The wife = call out an engineer. Just found a chisel tho. Worth a try first. :twisted:

Didn't at the time but just did and it's not moving freely. Hammer and screwdriver hasn't manage to free up neither top nor bottom nut. Any advance on my suggestion about heating them or is it a non starter?

also, should heating the nut help? and what size nut will I need to buy should I need to cut right through? The pump is a myson compact cp53 and yes, i've read nothing but posts saying how crap they are. Mine's lasted 10 years without complaint though and was fitted by council before I brought...

No joy as yet but have just been having a go at the misterdubya method (didn't try the hack saw bit) so am pleased that I have the right idea and that i'm correct in thinking that the nut should be independent of both the valve and pump. Seems almost fused to the pump. I didn't hammer away too...

Hello all. Woke up this morning to much loud banging coming from the boiler. Following an hour of stopping starting and a process of elimination I realised that the pump was not working. Confirmed after another hour or two of flushing out the system and retrying (thirty odd squid of 2 month...

If I need to fix/replace the ball valve what parts do i need or can i buy a complete unit. Thanks

The last few times i've spent the weekend out i've returned to find an overflow pipe at the front of house which looks to have been dripping for a while. I'm guessing after some deduction the reason is because i'm away and therefore not using any hot or cold water in the house but my question...

Cheers JohnD.

Can anyone confirm whether sentinel x200 boiler descaler is any good. Also is it ok (or worth it ) to add sentinel x200 boiler descaler in a system already containing sentinel x100 inhibitor. i.e would they interfere with each other?

Thanks HD2010. That's what i'd alluded to though seems I can't escape the rad bleed part but that's good enough for me. I guess I could have written the post better expertgasman but if you couldn't be bothered to work out where to start then maybe you shouldn't have bothered to write your...

Well I figured there was good reason for not doing it this way given that i've never seen it offered up as a method. If you could explain what would happen i'd appreciate it though. cheers

Was wondering if it's ok to recyle the water in a system simply by attaching a hose to the last radiator's bleed valve (as I would in a complete drain downl) and opening the bleed valve but without securing the ball valve in the f&e so that the system continues to supply fresh water while...

Hopefully it's not that then. I mightn't miss a 1er too much at the mo but I wouldn't think myself experienced enough to fit it and getting it fitted by a pro is no doubt going to add to the cost Cheers

Will do in the morning JohnD. What conclusion do I draw if water does come out of the vent pipe whilst the system is on?

JohnD 1st time for 4 weeks before introducing inhibitor. 2nd time 2 months as I introduced the inhibitor today. 1John - vented

Sentinel x400 twice this year (first time was because I messed up a standard drain down and the second time 2 months ago. Todays drain down produced lots of black stuff :).

Cheers 1John. Will try this in the morning.

In case it makes any difference it's the first rad in the circuit. All other rads are hot.

Nope but can try in the morning (needed to have some heat in the house tonight or there'd be complaints). I'm thinking it won't make any difference unless you're thinking along the lines of the affect being to increase the pressure to that radiator and hopefully helping to push the blockage...

Oh and I should also add that I took the rad out and ran the hose through it until clear so whaat i'm getting at is how to flush out the rad channels.