Gas Combi Boilers are the most common type of boiler in the UK.
If you have Combi Boiler Problems, you could qualify for a free A Rated replacement boiler under the Government’s ECO scheme like the Viessmann Vitodens on the left.
So, what are the Combi boiler problems
Here are our top 8 combi boiler problems, in no particular order, although there are many things that could go wrong with an older boiler.
If you want to find out if you qualify for a new replacement boiler, click here
1. Faulty or blocked pressure relief valve
This may cause constant dripping from the copper pipe leading to the external wall.
2. Pump failure
If this packs up, it would leave you with no heating or hot water. Caused by sludge in the system, or old age.
3. Faulty automatic air vent
Dripping or build-up of scale at the vent that releases air from boiler to outside. Should be spotted during a service.
4. Limescale build-up in central heating pipes
This is most common in hard-water areas. It can lead to blockages and cause fluctuation in temperature of hot water taps.
5. Faulty diverter valve
The system may get ‘stuck’ on hot water or central heating.
6. Sludge in system
Radiators are hot at the top with cold spots at the bottom.
7. Low hot water flow rate or temperature
Older Combi’s may lose water pressure and not be able to heat the water efficiently on demand
One of the common Combi boiler problems on the older models. We find that casing or internal parts has been affected by leakage and in most cases means the whole unit needs replacing.
If you are experiencing any of the combi boiler problems, find out if you could qualify for a fully funded boiler replacement under the government scheme by clicking this link
source: experience and which trusted trader