Installing Shelly 1PM in the Megaflo Hot Water Tank – a holiday project!

A close-up photo of an open electrical control panel for a boiler and heating element, showing two 'RESET' buttons labeled 'BOILER CONTROL' and 'ELEMENT CONTROL', with a tangle of red, blue, brown, and yellow wires connected to terminal blocks and a red Shally relay module. The panel is mounted on a white wall with two white cables exiting at the bottom.

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