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..and the relief pipe outside is dripping steadily?

Another update. I had switched off the heating with 3.5bar showing. I checked yesterday and the pressure had dropped to 2.5 so I switched on the heating to see what would happen. Instead of rising to 4 bar as usual, it dropped into the safe zone! Made wife a celebratory cuppa and enjoyed heating...

I've read somewhere here that 6 at most are needed. I've certainly done that or more.

Hi John - yes I also read that you should measure the pressure at the Schrader valve, but as my Pound Shop pressure meter failed to show anything at all I soon gave up on that! Now I'm just praying for a reasonable repair cost...

Final update! I did as you suggested and water pumped out of the drain plug so no blockage? I've drained / repressurised 3 times and each time the pressure rises towards 4 bar when heating is on. I did note that the schrader valve seemed to be leaking so I removed and replaced the core, which...

Update - drained boiler to zero bar - seemed to drain fine so don't know about a blockage? Did about 6 pumps with a bike pump to repressurise - the dial on the front rose to about 1.5 bar. Then the worrying stuff...disconnected the bike pump and the boiler dial slowly dropped back towards zero -...

I uncoupled the braided hose nearest the boiler and the on/off tap does seem to work properly. So onto draining/repressurising. I'm assuming the white plastic nipple near the pump is the drain cock..

How do I identify if it's a Greenstar please? Greenstar is not mentioned anywhere on the outside. Simply Worcester 28i Junior...thanks!

Good point re the braided hose - I'll check! Good news (if there is there is any) is that when I drain down a rad and pressure reduces, no, it doesn't rise up again if system is left cold. So I'll get onto repressuring procedure in the morning. It's gonna be a cold night! Thanks again for the...

Will do that thnx. As far as I can tell the front panel should not be removed by an untrained person (ie me!) because it forms part of the combustion chamber. I can't get to the boiler until tomorrow, but I'm just hoping the drain cock is accessible from underneath (on the RH side I think as I...

Hi guys- many thanks for the replies. To clarify, the pressure stays high even with the central heating turned off. When a hot water tap is run, the pressure dial momentarily drops slightly, then rises back to previous level. I've also now noticed that when we initially run the hot tap there is...

Hi all - I'm new here so please be gentle! I have a problem which I'd love to sort out myself but would appreciate some guidance - I'm no plumber so I'll go an expert if needed. I will try to give you all the relevant info. Our boiler was installed about 8 years ago and has worked fine until...