Do you have a Vaillant boiler with a fluctuating temperature problem? Typical symptoms include your showing running luke warm then turning hot, then luke warm again.
This kind of problem is most likely caused by a build up of particles in the pipework, which when become loose get pumped into your Vaillant boiler.
These particles collect and cause a blockage in the narrowest parts of the boiler, thus causing water circulation problems.
Powerflushing your central heating system is not recommended as doing so can dislodge the particle build ups which will ultimately damage your boiler, possibly rendering it useless.
Such a problem can be easily avoided by fitting a filter protector, costing a fraction of how much it would cost to replace a boiler.
So if you’re having boiler problems, it’s best to ask a qualified Vaillant gas boiler service engineer to take a look.
Do you need a boiler expert to take a look at your Vaillant boiler hot water problem?
You can find a vaillant boiler expert in Shell, Worcestershire by clicking below: