Boiler is constantly on - even when programmer turned to OFF in Shelf

Needed: Heating Engineer in Shelf, HX3

Job submitted:Feb 11, 2009

Job description:Bolier (Suprima 40L) is in utility room - it has suddenly starting working all the time even when the programmer is turned to OFF. Have called Potterton and ascertained that this may be due to the frost prevention control or may be the programmer is sending ON message to boiler even when program is OFF.

Budget:I'm not sure

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Job location, Shelf