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Boiler Keeps Losing Water Pressure
Boiler Keeps Losing Water Pressure. We'll show you why it happens, and how to fix it. Check that all the radiator valves are not leaking.

Turn to open the filling loop handles, at which. Listen out, you should hear it. This can be worrying and annoying, especially if the heating is off and you have no hot water or heating.
The Pressure Relief Valve Is Damaged.
Close both valves, one after the other. If it is leaking you will require a replacement pressure relief valve and possibly some attention on your expansion vessel. When to get professional help.
If Your Boiler Is Losing Pressure, The Chances Are That The Cause Is A Leak In Either Your Boiler Or Your Heating System.
The normal stats of a boiler are between 1.0 and 1.5 bars. In our guide to plumbing leaks, we mentioned that if your boiler pressure keeps dropping, it could be a sign of a water leak in your central heating system. They usually run with a little 15 mm copper pipe that sticks out the back wall of the boiler and usually the outlet is behind a hedge or something, so you can never see them running or dripping.
This Might Sound Obvious But Often The Leak Runs Down The.
By far the most common cause of a boiler losing pressure is that there is a leak in the system. On a combi boiler, this component is usually inside the boiler’s casing. Here's a quick guide on what to do:
Another Reason Why Your Boiler Keeps Losing Pressure May Be The Expansion Vessel.
If the valve is damaged in some way, the boiler will start to show signs of lower pressure. The boiler pressure is important as it is the pressure that helps to keep that hot water going to where it is needed and your hot water and heating system working efficiently. But, when a boiler keeps losing pressure then it’s a pretty strong sign that water is leaving the system somewhere and that could be happening right in your home.
Switch Off Your Boiler And Allow It To Cool.
It might simply be a case of adjusting a certain valve to let more water through, filling the main pipe and increasing the amount of. This can allow you to restore the pressure in the boiler and heating. Turn your boiler back on, and press the ‘reset’ button, if required.
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