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Boiler comes on - HIVE is off

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Thread starter EUR1MXL
Start date Nov 8, 2020
Replies 1
Views 4K
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Discuss Boiler comes on - HIVE is off in the Boilers area at Plumbers Forums

EUR1MXL

Nov 8, 2020

Hello,
I have a HIVE thermostat and a Worcester Bosch boiler. I have noticed recently that my boiler fires up even though HIVE hot water and heating are set to off.
Any ideas why this may be?
Thanks

Aquarius

Nov 8, 2020

Im guessing you have a 3 port valve? If so, it could be getting a signal from a stuck motor or faulty microswitch.