Boiler Low Pressure Fault Still Showing after Repressurising

Dave Lockyer · 5 May 2021

I have an Ideal i30 Combi Boiler which periodically drops to 0 pressure for some reason (never found any leaks or anything). Usually when I repressurise the system it will work again but it's still showing F1 (Low Pressure) even though I've repressurised to 1.5bar and also checked the expansion tank pressure. Any ideas? I did htink a while ago that the diverter valve needed replacing and that it was diverting water into the hot water loop. Does that sound right and could that be the problem or should I be looking elsewehre?

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Boiler Low Pressure Fault Still Showing after Repressurising

Dave Lockyer

DIYnot Local

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