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Mend Keep Pressure Up

how do i keep the pressure up?

I have to top the pressure up every day, it drops from 1.2 to 0.9 every 24 hours, rads are all full, no air lock. Help

Sim
February 2011
Heating, Home Heating SystemsKeep Pressure Up
you've got a leak somewhere check outside pipe from prv if that's ok check all around

brian
February 2011

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Boiler Pressure Drops - Help & Advice