I have downloaded and read your advice on how to clear an air lock in a hot water system. BUT, does anyone know where I can obtain hose with a 20cm. internal diameter to carry out this process.
from what i can guess are you going to force cold water thru the hot water system if so any hose will do just use a jubilee clip to tighten or if you a have a mono tap ie in the kitchen put your hand over the outlet turn open the hot tap first then the cold on full power ,hand over the outlet and this may work
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