Oil boiler heating radiators but no hot water ...
Check the 2 big heating pipes on the side of the cylinder (hot water tank). If they just go directly into the tank with no other pipes running upwards it will be a primatic and will be an air lock in the pipes between the boiler and the cylinder. If there are tees on the big pipes with a 15mm pipe teed from the bottom big pipe and a 22mm from ...
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