Hello, Please help, I have a myson midas b and the water pressure keeps falling, Should the tap be left open or should it be closed after filling the system up. I know I probably have leak but searched whole house for leak evidence but cant find any. Cheers Phil
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Myson midas b boiler
- Thread starter bluemoon1973
- Start date
closed
check the prv pipe outside it may be dripping
check the prv pipe outside it may be dripping
Cheers. The pipe IS dripping, would a dirty valve seat cause this and how would I solve it 
if the pipe is dripping thats your pressure loss
change the prv
change the prv
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