If my Worcester Bosch boiler has error 1017, will it need a new heat exchanger?

By: USER5119
27 Agustus 2025 Support 5 minutes
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Question

Grade: Education Subject: Support
If my Worcester Bosch boiler has error 1017, will it need a new heat exchanger?
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Best Answer
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Not necessarily. While a cracked or severely damaged heat exchanger will require replacement, sometimes blockages or sensor issues can mimic heat exchanger failure. A thorough diagnosis by an engineer is needed to determine the exact cause and whether a repair or replacement is necessary.
Answered on 27 Agustus 2025

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