Boiler runs well but every morning after being run the previous evening the water pressure is down to zero. Top it up to 1 bar and the pressure holds and increases during running then goes back to zero after some time when switched off. Has needed topping up regularly for some years but now daily. No obvious leaks.
Ferroli 77 combi looses water pressure daily
- Thread starter chopper2
- Start date
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The pressure increases to 2.5 bar when running with normal water temp but can go higher when I turn the water temp up to maximum.
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