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    Worcester Bosch conbi Fault

    My Father in law has a fault with his Greenstar Condensing HE Combi. The pilot light cuts out after 15 seconds. The Heat exchanger can be heard filling with water , but trickeling as though its not under pressure. The pressure Gauge shows in the green at 3 Bar. The display reed Fault code E4...
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    Can i just change the head actuator?

    Hi all.Im new to the forum & this is my 1st post.I have the Siemens MA-V322C 3port diverter valve with mid position,which is not working properly.Can i just change the head or will i have to replace the whole valve? If i have to replace,i was thinking of the Honeywell V4073A. Will the valve...
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