Recent content by Just make it work

Thanks for the replies. Hoping the fault is the water pump so will be examining it more closely tomorrow.

Good question!

Evening, Having some trouble with my Vaillant Ecotec Plus 418, which is showing a F22 error code - low water pressure. Sadly there isn't a filling loop that allows me to repressurise it. Does anyone know how I might get around this? When I reset it, it starts up but then winds down quite...