There should be a relief valve on the system -usually near the top and it should have a pipe coming out of it. If you release the valve by pulling on the lever until hot water comes out of the attached pipe this should fix the issue with the water being cold. You then do this every few months and the problem seems to not return.
Brian
Last edited by brisen; 03-08-2017 at 01:10 PM.
Reason: spelling
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