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home Fix label Heating label_important Home Heating Systems

over pressure?

I have a greenstar 24i boiler, pressure is normal, when I turn heating on pressure increases and eventually operates pressure relief valve, pump is running and radiators get warm
K Hepher, May 2019
home Fix label Heating label_important Home Heating Systemsdone
Sounds like the expansion vessel needs attention. This would be a job for a qualified engineer, but shouldn’t be too hard or expensive to sort.

Rupert, May 2019
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