when my boiler is swiched to hot water only my upstairs rads have started coming on is the diverter valve the problem,and is it easy to change thanks Jake
thanks Tash ,can you tell me looking at boiler from front is diverter valve situated on left or righthand side of boiler,many thanks jake
jake
February 2013
yes most likely the diverter is faulty. u will need to drain the system and turn the electrics of on the heating. then its simply unscrew the old valve and fix in the new valve. to make it easier try and buy the same valve as your replacing or one from the same manufacturer. also when u change the valve u will need to wire it to electrics again. when u do this take 1 wire off at a time and connect the exact colour back to the same connection.
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