If you are going to invest in a new boiler, it is advisable to get several quotes and we would strongly recommend you get one of these from WarmZilla.

The key is to understand what is causing the problem and that is what this guide is all about. While we can’t explain every possible fault, we can go into more detail about the most common faults. Compatible with aroTHERM air-to-water heat pump hybrid system – Making the perfect entry into renewable systems This will usually manifest itself in a Valliant boiler as an F27 code on your display panel. There are a number of possible causes for this error code: Our focus in this guide is Valliant boilers. They are generally pretty reliable but there are some faults that we see occurring repeatedly.

Vaillant Ecotec F70

The gas valve is an essential component in your heating system as it controls the heating of water for your radiators or hot water taps. When your boiler switches on and needs a flame to heat up the water, the gas valve opens up to let enough gas through for the ignition. However, a faulty gas valve is a serious malfunction as it can allow gas through even when it is not needed so never ignore the F62 error code on your boiler’s display. Just like other boiler makes, Vaillant boilers will display a fault code – a number beginning with F – on their display so you can more easily identify what may be going wrong with your system. Different issues will have a different error code so if you see an F number displayed, refer to your boiler’s manual for the full list of fault codes for that model. How Long Should a Vaillant Boiler Last?

While Vaillant have a reputation for quality and affordability, like all boilers they can also be prone to faults over time. And there are a few glitches that are common issues across the Vaillant range. replacement printed circuit board for Vaillant ecoTEC Pro 28 R2So this boiler needed a new pcb which fixed the problem. Usually these Vaillant ecoTEC boilers are quite straight forward to fix but sometimes you do get weird faults that don’t make any sense. If the problem relates to any of the first three possible causes listed above, the good news is that it should be relatively simple to fix. These are small issues and even if you do need to replace the relevant component, this isn’t a big job and the parts are not that expensive.The usual recommended fix for an F22 fault is to use the boiler’s filling loop to repressurise the boiler. A common fault, particularly in the Vaillant Ecotec boilers, an F75 error code is telling you that the boiler is unable to detect sufficient pressure from the internal pump. If the heating pump is not working as it should then your heating and hot water will be decidedly under par, taking much longer to heat up and even not reaching any decent temperature.