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volkara linela loss of water pressure have to top up daily?

I have to top up the sealed system daily, have tried additive, no apparent pipe, valve, or rad leaks
E Petrou, December 2011
fit pressure reducing valve on supply to heating before filler loop then set it to 1.5 bar , this will stop u constanly toppin up system . then u need to find were leak is it has to be some were good luck

darren, December 2011