Why does the temperature keep dropping on my boiler?
Your combi boiler can be losing pressure for a number of reasons. Pressure loss may be caused from a leak in the pressure relief valve, an issue in the expansion vessel, air in your system, or a leak in the heating pipework itself.
How can I change the temperature of my Biasi boiler?
Hold down keys 15 and 16 The temperature of the d.h.w. can be adjust ed by acting on keys 12 (increase) and 13 (reduce) from a minimum of about 35°C to a maximum of about 60°C. Press one of the two keys once to display the “set” value. Press again to access the modification.
Why is my Biasi boiler producing white condensation?
During the operation it is quite normal that the boiler produces a white plume of condensation vapour from the flue terminal. This is due to the high efficiency of the appliance. Usually it occurs when there are low teperatures outdoor.
Why does my combi boiler turn off when I take a shower?
If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
Can a combi boiler maintain a constant hot water temp?
A combi is not very good at maintaining a constant hot water temp. The temp will vary +/- 5 degrees or so which is why you should always have a thermostatic shower fitted with a combi. But the temp variation reported here is excessive and could well be a boiler fault. If you already have a thermostatic shower somewhere get your plumber to check it.
What should I check when troubleshooting my Biasi boiler?
When troubleshooting your Biasi Combi or System boiler please follow the following safety checks need to be done: – Gas Supply: verify basic boiler gas supply, check if it is clean and gas has a free passage. Boiler inlet gas pressure level at the gas valve should be set for 20 mbar.
During the operation it is quite normal that the boiler produces a white plume of condensation vapour from the flue terminal. This is due to the high efficiency of the appliance. Usually it occurs when there are low teperatures outdoor.
If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
Why is my Biasi hot water heater not working?
If you don’t spot any issues then this is likely to be a diverter valve issue, this is a valve that opens and closes to provide heat to the radiators or to heat your water and will always prioritise hot water. You will need an engineer to take a look at this issue.
