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- 1
the pressure of my boiler looks unstable
After i re-pressurize to 1.5 bar, using tap is ok without problem. but when turn on the central heating, the pressure rises over 2 and the error code 117 showing water pressure high
After i did the bleeding and re-pressurize to 1.3 bar, the heating is ok and pressure not over 2. But after the heating off, the pressure came down to 1 and sometime even lower than 1 need to top up again
what will the problem with it and how to fix it
After i re-pressurize to 1.5 bar, using tap is ok without problem. but when turn on the central heating, the pressure rises over 2 and the error code 117 showing water pressure high
After i did the bleeding and re-pressurize to 1.3 bar, the heating is ok and pressure not over 2. But after the heating off, the pressure came down to 1 and sometime even lower than 1 need to top up again
what will the problem with it and how to fix it
