can a friend put the rads in and hang the boiler and fit the flue , the combi is going upstairs and i want a vertical flue which goes through the attic floor and out through the tiles
i have a baxi bbu and fire the pump is under the floor boards but i cant find the 3 way valve does this system have one fitted and what kind of system is it, i also have a leaking f&e tank which over flows how can i fix this.