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Plumberpro
Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience:  Heating and plumbing answers. 20 years experience
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I have a Bosch 28si I have had hot water problems that stated

Customer Question

Hi I have a Bosch 28si I have had hot water problems that stated in a day it now will only give me warm water unless I back tap back and then it is so hot it will burn I have fitted a new heat exchanger but this has made little difference there doesn't seem to be a diverted valve so I am now stumped
Submitted: 1 year ago.
Category: Plumbing
Expert:  Plumberpro replied 1 year ago.
Hi , change the hot water temperature thermostat/thermistor
Customer: replied 1 year ago.
is that the little sensor on top of heat exchanger ?
Expert:  Plumberpro replied 1 year ago.
Its on the hot water pipe about 6 inches up from bottom on the left hand side, called domestic hot water sensor dhw sensor
Customer: replied 1 year ago.
Thanks I no were that is could I find 1 on eBay or is it best to go to merchants who found the heat exchanger
Expert:  Plumberpro replied 1 year ago.
I would go to the merchants myself.

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