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there isn’t any pressure in my vaillant gas boiler. obviously i have no hot water, so i can’t wait until the morning to call for support. any way to easily re-pressurize? really hope so… thanks.
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there must be aleak somewhere anyway to represurise boiler there is apipe usualy flexible on the cold feed to boiler open valve at boiler end then valve atother end put 2 bar into sysem 30lbs then shut both valves best of luck ps find the leak
It seems that your boilers water pressure has dropped and when that happens, the boiler will automatically shut itself down.To refill the system, look under the boiler, and you should see a flexible pipe coming from the cold water supply which fills the boiler . You will find a tap of some sort on the flexible pipe close to the cold water supply. Open the tap and as the boiler refills, keep an eye on the water pressure gauge. When it gets up to one and a half bar, then stop filling.Too much water in the system will damage the expansion vessel that is built into the boiler.Your boiler should start up then. If you find that you are losing water from the boiler often, then it can be a faulty automic air vent, or a faulty pressure relief valve. Good luck.