You know the problem – your central heating pump suddenly starts making strange noises and your system isn’t working properly. It can be relatively easy to fix some of the most common heating pump problems with a bit of know-how and the right tools, so let’s get started.
The most common cause of strange noises is an airlock. When air builds up in the system, it stops the pump working properly. If you hear a constant humming, you need this quick fix.
Locate and open the bleed screw a quarter turn. Work slowly, as there is water in the pump. If this doesn’t fix the noise, try anti-vibration brackets.
2. No power
If your boiler has power but the pump doesn’t, it is likely you have a wiring issue. Check the fuse. If this hasn’t blown, check the pump for leaks. If your pump seems …