how to replace diverter valve on vaillant 824e eco max boiler

geoff, February 2012

Just to say that D valve is also connected to pump with Long clip pull out it's easy ,undo four screw ,refill system take air out from pump big silver nut,push fit plug connection

ltd, February 2012

Drain boiler from drain point,shut cold supply to boiler,switch of power to boiler,need special L key to undo 4screws,or long philip screw driver,dis connect plug type connection to valve,undo d valve might have to undo flow pipe for access 22mm connection ,replace new one change all O rings and"..""....".....

ltd, February 2012