So I recently fit one of these.
It is only needed for the heating of the house. So the hot water and boiler isn’t needed, meaning it wasn’t wired in.
now I’ve had the customer call saying that it’s bringing heating on but it sometimes doesn’t close the valve or sometimes delays to open the valve?
https://www.elementshop.co.uk/heatmiser-neoair-kit-with-rf-switch-white?gclid=CjwKCAjwiOv7BRBREiwAXHbv3DEbJUBcUlP6PojMLJT6Kessy8bd2D9Qej3r8WB8RxLJpHoiv3c4sRoCiAcQAvD_BwE