We have recently moved into a victorian house (circa 1900), and noticed that the hot water from the Valve shower and taps become scolding hot, as if there is no temprature regulation.(you don't have to have the taps fully open for the temprature to continue rising)
We had a plumber out who wanted to change the shower, as he said the thermostatic/mixer valve had gone, a second opinion suggested it was the tempreature control/heat exchanger on a 15 year old Vaillant combi boiler, and it would be better off replacing it. After a third and fourth opinion and quotes to replace the boiler, we did just that, and have replaced it with a Vaillant EcoTec Pro 28.
The problem still exists... so we are now wondering what the cause could be, we are a bit of a loss, and have had suggestions that the flow rate could be a cause (it's 8l/m from the kitchen tap, and 11l/m from the outside tap which is nearest the boiler). Was the origianal guy correct and it's an issue with the shower(and taps) and they need replacing? Could there be dirt/limescale in the pipes, or just something else?
I have checked both inside and outside stopcocks which are fully open. I have run some temp tests, and the cold water temp is 23degrees, and hot tap it is 63-65 degrees before being consistant at that temp.
We plan on ringing up Thames Water to check the flow rate outside, but are prepared to be told that it's all within acceptable limits, the pipe feed into the house looks like has been changed previously from Lead to Plastic.
Any thoughts, comments, suggestions would be most helpful.
We had a plumber out who wanted to change the shower, as he said the thermostatic/mixer valve had gone, a second opinion suggested it was the tempreature control/heat exchanger on a 15 year old Vaillant combi boiler, and it would be better off replacing it. After a third and fourth opinion and quotes to replace the boiler, we did just that, and have replaced it with a Vaillant EcoTec Pro 28.
The problem still exists... so we are now wondering what the cause could be, we are a bit of a loss, and have had suggestions that the flow rate could be a cause (it's 8l/m from the kitchen tap, and 11l/m from the outside tap which is nearest the boiler). Was the origianal guy correct and it's an issue with the shower(and taps) and they need replacing? Could there be dirt/limescale in the pipes, or just something else?
I have checked both inside and outside stopcocks which are fully open. I have run some temp tests, and the cold water temp is 23degrees, and hot tap it is 63-65 degrees before being consistant at that temp.
We plan on ringing up Thames Water to check the flow rate outside, but are prepared to be told that it's all within acceptable limits, the pipe feed into the house looks like has been changed previously from Lead to Plastic.
Any thoughts, comments, suggestions would be most helpful.