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  1. J

    Boiler Overheats but BoilerStat working - update 4 yrs l8r!!

    I appreciate the valuable time that experienced folk put into this forum (and spent on this thread ~4 yrs ago). You might be interested in this update. I thought this issue was closed, but 4 years later my system is still temperamental. Anytime professional plumber or I doing any work on the...
  2. J

    Boiler Overheats but BoilerStat working - update 4 yrs l8r!!

    Greetings. Just wanted to update/close this thread in case others have similar problems...and get back to Tony. I did install the burner - it came preset for kerosene (my fuel). I knew it needed to be calibrated & always intended to get a professional out to do that. Anyways, the professional...
  3. J

    Boiler Overheats but BoilerStat working - update 4 yrs l8r!!

    Sorry about my jargon. You're right, by thermocouples I meant the thermostat sensors (which seem to be based on thermocouple principle). The stat sensors are indeed in a screwable tube / thermal well, but I am getting a professional in next week so probably won't unscrew it before then. Looks...
  4. J

    Boiler Overheats but BoilerStat working - update 4 yrs l8r!!

    Ehh, gravity fed oil fired central heating. New Riello Burner. Simple Boiler Stat (IMIT) with two thermocouples - regular (adjustable temp) and safety. Stat doesn't shut down the burner when the water heats up, even when setting is min. Water gets terribly hot. Assummed Stat was bust, so...
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