If you have not already seen our boiler is currently out of action.
On our hot water tank there is an immersion heater but it just goes into a fuse spur, which then goes to a connection box.
How can I switch the immersion on, or check if it is working??
** Edit - Think I've found it. There is a switch near the consumer unit that was off. Must have always been off and just run it off the boiler lol. Fingers crossed we might get hot water soon.