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Mend Potterton Performa 30 Central Heating System

when running a bath the central heating comes on?

When I run a bath my central heating comes on .on my potterton performa h30 system

john
September 2013
Your diverter valve is almost certainly passing.

See

http://www.diynot.com/forums/viewtopic.php?t=285026

ChicksFan
September 2013

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