Quizzes & Puzzles16 mins ago
how do I top up a vaillant 824e boiler
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as above, How do you top up a baillant 824e combi boiler, the manual doesnt seem to have instructions and the water pressure gauge is low.
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For more on marking an answer as the "Best Answer", please visit our FAQ.You need to look for the filling loop usually a silver braided flexible hose somewhere under or very close to the boiler, fixed to the pipes. One end should be attached to the cold feed & the other end fixed to the heating retun pipe. just attach the end that is hanging loose then turn on the valves at each end of the hose until the pressure reaches approx 1 bar then turn off the valve's & dissconect the hose again. the hose is only a temp filling device & should not be left permanently in position.
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