I have to replace the main heat exchanger on a worcester junior tomorrow part no 491878.
Having done this 3 weeks ago on another boiler and having real trouble (2hours) getting it off the pipes, I would like any advise you guys can give.
as the op is doing this tomorrow,i assume they have already bought the hex,so Worcesters not a option,not personally done one,anyone able to give helpful,useful pointers to the op,rather than ring Worcester ?
Nitemare job done a few the best way I've found is heat up the pipe where it sits on the heatexchanger it melts the orings so comes off Easier but b mindfull of the wires that go up the left hand side of the boiler as not to melt them
Heating the pipes is exactly how i done it last time!!!!!
Id love an ultracom heat x any day. Id rather fit a 937 shunt pump than do this worcester heat x.
Parts center made a balls up so I get to do this tomorrow. :56: