Hello richard! sorry we didn’t see this comment in our blog folder until now did john come by and help you already? if not, please feel free to call () - and we’ll be glad to help you out! Alternatively, find your local. Appointment arranged promptly turned up on the day as agreed and got the hot water working properly again excellent service! Five fully modulating outputs to suit most homes. We guarantee same day service if you call us before noon! Family.