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Posted by Graham on May 05, 2004 at 03:09:49:
In Reply to: Vaillant Sine 18T Combi not regulating DHW Temp posted by Graham on April 26, 2004 at 02:58:33:
Or could it be the wax capsule? All's working fine (heating & HW), it's just not reducing the HW flow rate to regulate the temp.
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