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Mend Worcester 37cdi Noise Heating

Intermittent loud noises from 37cdi boiler?

worcester 37cdi boiler has suddenly taken to making loud intermittent growling noises when either heating or hot water taps are used. indicator panel nomber drops and is replaced by a flashing -II- sign

Any ideas

BJW
September 2012

Worcester Worcester 37cdi Heating, Home Heating Systems Worcester Noise Heating

check water pressure as system maybe low on water pressure

kash
September 2012

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Worcester 37cdi Boiler Noisy - Fixes & Help