Pressure is at zero on my oil fired combi boiler. How do I increase it? Also I can hear the water running around in my radiators when the heating comes on in the morning. HELP!
Both problems are related, increse the system pressure and all will work as normal.
Look for two valves and a braided hose, or there may be an integral fill loop to the boiler (read manufacturers instructions) without seeing the installation it's difficult to advise.
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