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Plumberpro
Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience:  Heating and plumbing answers. 20 years experience
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My 28 kw combi is showing a fault light on the DHW heat

Customer Question

hello my 28 kw combi is showing a fault light on the DHW heat exchanger,there is no lack of flow but the heat output has dropped.do i replace the heat ex or the boiler?
Submitted: 7 months ago.
Category: Plumbing
Expert:  Plumberpro replied 7 months ago.
H , there's no need to replace the boiler. Replace the heat exchanger. They do get scaled and sludged with time, but are easy enough to replace

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