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So without getting into too many unnecessary details, my father is a narcissist and turned off the hot water. Initially it was just too my bathroom and now to the whole house. I was about to figure out how he turned it off initially but eventually he changed how he turned it off and I can't figure it out. I know it has to be something simple because a couple of days ago he said he was turning it back on (because I was sick) and I heard him walk downstairs and come back up right away after going towards the boiler.
I have attached pictures of the boiler itself and take more of needed. The switch for the boiler is on, the water temperature is set to normal, and as of right now with the whole house without hot water, the boiler still runs just no hot water.
Any help would be appreciated, thank you!