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  1. M

    Boiler comes on with timer off

    I have a problem with the boiler in the house. Even with the timer set to off, it comes on and indicates a call for heat. The pipes that get warm appear to be the one to the hot water tank. The problem used to be intermittent but now appears more permanent and I've tried some diagnostics from...
  2. M

    Bolier comes on despite timer being off

    I have an Icos HE15 boiler that occasionally comes on when the timer is set to off. It doesn't happen all the time. There is a timer system that allows HW and CH to be separately switched but I can't set separate times. It is set to come on in the morning and the evening but off during...
  3. M

    ideal icos HE15 flame error

    My ideal ICOS HE15 boiler keeps coming up with a flame error when set to a boiler temperature above mid way. When set low it never (well once actually) comes up with the failure. The boiler has been serviced recently and had the spark electrode replaced and that did not cure the problem. The...
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