In case of need of more domestic hot water a second heat exchanger is powered by the heating device for additional temperature rise for reliable comfort.
Vaillant water heater problems.
The fault is indicative of one of these symptoms.
How to fix a geyser commen problems we while be troubleshooting a gas water heater and give you quick and dirty fix for each problem that can occur and go st.
I hope you ve found this blog useful when troubleshooting your faulty vaillant boiler but remember unless it s an easy fix such as low water pressure or a frozen condensate it s best to call in an registered gas safe registered engineer who has experience dealing with vaillant boilers.
Hot water heaters.
Check the electrical circuits by testing short circuit earth continuity and resistance to earth tests.
The water pressure sensor or the water pressure pump has become defective there is air in the heating installation and radiators pipework the pressure in the boiler is too low.
What are the most common vaillant boiler problems.
Ensure that the boiler has electrical supply correct to 230 v.
Combinable into a system with vaillant heating appliances and controls.
When troubleshooting your vaillant ecomax boiler please follow the following logical fault finding procedure.
Check correct electrical polarity.
Compatible with vaillant range of wall mounted boilers floor standing boilers and solar thermal collectors.