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Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience:  Heating and plumbing answers. 20 years experience
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Worcester greenstar 440 red light is flashing error code 440

Customer Question

worcester greenstar 440 red light is flashing error code 440 boiler and hot water not working brown water in floor below boiler Is thus dangerous what should I do?
Submitted: 1 year ago.
Category: Plumbing
Expert:  Plumberpro replied 1 year ago.
Hi, I would turn the power off to the boiler and get someone in to see where the water is coming com. I suspect a cracked heat exchanger due to overheating, due to a blockage or pump failure