Be entered into our monthly prize draw when you sign up for newsletters! If you need to replace the "brains" of your boiler - a printed circuit board - you will be looking at paying £ on average. Our licensed plumbers have hour availability and are ready to help when you need them most! Find out about how to find a home and council tax and housing benefits. How do i use drain out bathroom in a regular bathtub, sink or shower drain? Having a new energy efficient boiler.