New answers tagged water-circulating-heating
Bleeding a water based central heating system is a DIY job anyone can do. Find the bleed valves and crack each one open a bit (only one at a time though you don't want flooding). You should be hearing a hiss as air is pushed out. At some point water will get pushed out, careful it can be hot if the system is on, which is your sign to shut the valve again. ...
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