Hi. Can anyone help? I have a Powermax 155x boiler. The hot water in the shower is a good temperature for a while and then will decrease suddenly to lukewarm and then turn to cold. I don't have enough time to wash my hair in hot water.
If I don't have the central heating on for a good time before a shower, i have no hope of hot water.
I assume theres a problem with heat transfer between the thermal store and the hot water, but why is it hot then cold? Could it be scaling or flow rate? The flow rate has never been altered on the boiler which is 6 years old. I used to have enough hot water to wash - and condition - my hair!!
Does anyone know what the problem could be and what I need to do??
Claire
If I don't have the central heating on for a good time before a shower, i have no hope of hot water.
I assume theres a problem with heat transfer between the thermal store and the hot water, but why is it hot then cold? Could it be scaling or flow rate? The flow rate has never been altered on the boiler which is 6 years old. I used to have enough hot water to wash - and condition - my hair!!
Does anyone know what the problem could be and what I need to do??
Claire