Question about Combi Centre DX - Mango
When i turn the heating on the pressure just keeps rising until the pressure release valve blows and the boiler turns off
It sounds like the expansion tank is unable to cope with the expansion of the water in the system. It may have failed or there may be a blockage so water is unable to get to it.
Posted on Jan 04, 2009
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Posted on Jan 02, 2017
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