heatline s24/s30 combination boiler
need to remove inlet valve from radiator/pipe in the bedroom
not certain where drain valve is on the boiler.
there is a drain valve on the heating flow pipe (A) and one on the heating return pipe (E)
You drain from any drain out ,lower than the one you going to change valve,open all air vent on radiator ,close all air vent when refill,take air out one by one ,maintain 1.2 bar when refill
ltd
April 2013
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