Guys I have not put anything on now so not sure if the heating is working 'overheat light' is showing hear some movement from the boiler when I put it on for a few seconds.
Cisco
Don't ask the builder as he could well lie to you. Tell whoever works on the boiler to show their registration, and don't take any excuses like, forgot it, lost it etc.... not asked most likely is not RGI registered, will ask the guy who hired him while putting in my kitchen.
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