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You have checked the gauge so it isn't lying It could be a bit of muck on the seat of the valve so if you fully open it it may wash off Let it snap shut as well rather than slowly shut. Only a vague chance of this working but is always worth trying

What about the cold water? You have a combi so hot is dictated by that. Drawing 2 baths at once is going to be pathetic off a combi so "dribbling" is a bit subjective. Flomate 60 will deliver 12l min continuously, this is of course hot & cold and not sure what the maximum pressure is that you...

Let me know how you get on.

Well, you had jumped ahead a bit as I said. Not sure where you are now with clock on or of so suggest you do as above. Have a look at the boiler because if you turned the power off while boiler was running it may have gone out on overheat. This is what the pump over run prevents. What boiler is...

You're welcome

Depends who made them & to what standard : Pegler Yorkshire 15mm Manual Ball Valve Pressure rating 16 bar at 30°C (cold), 5 bar at 120°C (hot) If they are leaking, change them. They used to cost loads of money and be really well made but then they had to be fitted everywhere, became cheap and...

Typically an unvented combi has 4 isolation valves supplied by the manufacturer. If a filter is fitted then that is 2 more. Plus 2 on every radiator. There are however several places where fitting an additional one would not be acceptable

Well, that looks better. well done

I think everyone here already does this to valve heads as a matter of course. Good tip on the synchron motors though I am going to start doing that also

He is retired and the kind of miserable old b*****d that I like.

Wheres the photo?

If you want to confirm that the pressure gauge is not lying, you could screw a gauge in to any convenient place, remove plug or vent from radiator, then fill to 1 bar & compare gauges Alternatively using the gear you already have, vessel is filled to 0.7 bar with system unpressured, so if you...

Good luck

Good find muggles.

Yes it is but the filters are quite fine so doesn't take much to block them.

At the back of the instruction book it shows where the filters are located. Muck in the filters is a possible. Alternatively if you can feel the pipes leading to the showers, a shower letting by can mean that cold passes in to the hot therefore shower is only fed with tepid water at the hot...

You need to decide if it is poor pressure or poor flow rate that is your problem before deciding how to cure it. What size main comes in? Are all stop taps including the outside one fully open?

When you swap the backplates, have a little felt tip handy to number the cables and a scrap of paper to make notes. The diagram in both clocks should make the swap pretty self explanatory. A quick photo before you begin may also be useful. Let us know how you get on.

I think so too but I am not certain yet hence the further tests. We have at last moved the indicator to heating only position without turning cylinder stat down so I am probably right in my assumption but I would have wanted your heating to come on during this test. Suggest you go back to...

I generally use hep2o stainless steel liners for compression & speedfit superseal for pushfit but any will work. I have an old B31 on the road and another B31 in bits. The original date of the in bits one in the log book is the same as the original date on my birth cert so it was meant to be. I...