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Pressure keeps dropping on my 28i jnr boiler?

My 28i boiler keeps losing pressure. The red flashing light comes on and we have to bring pressure back up with the screw valve. This can happen a few times a day. Any ideas?
Phil g, January 2009
try and rule out some things......check all rads at the valves and bleed points.......and if you have a rough idea about your pressure vessel theres a small valve on the bottom of it.....press it in and if air comes out its probably not that........if water comes out you may need this vessel re-charged or re-placed......also look for water coming out the blow off valve outside? do this before ripping up floors etc

marcscooby, January 2009
Sounds like you've got a leak! Pipework, joints, under the floorboards, radiator valves, pressure relief valve, possibly the pressure vessel itself. You're going to have to find it - sooner or later! Good luck.

Richard, January 2009
link Click here to see other fixes for Ideal 28i.