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  1. teeitupdave
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    Ideal logic combi 30 boiller

    Ideal Logic combi 30 boiler. 3 years old with Honeywell cm 921 wireless room thermostat. 1) No communication loss. Relay box confirms it is...
    Thread by: teeitupdave, 10 Dec 2013, 2 replies, in forum: Plumbing and Central Heating
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