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Hello, so far it sounds like the hot water radiators have a little air in them and that is slowing the water flow though the boiler, causing it over heat and go off on its high temperature limit switch.
Tell me a lot about your technical skills so that I coach you most effectively or tell me which direction you are from the center of the nearest town or city so I can locate the best rated local boiler service for you.
We can go from there
Hello again, thanks for the response. It would be *you that has to input the boiler water set back temperatures... that cannot be nor should it be set at the factory. Why? because each system is different, boiler size and hot water flow and radiator capacity varies with each particular installation. Some systems will work well at low loads with a boiler water temperature of 120F, others due to inadequate radiator or coil capacity will have be set for a minimum 130F etc.... the factory cannot anticipate that requirement.
On this end, for the fee we charge I will not be able to do all that research and coaching for you, especially since you seem quite capable and have access to all of the relevant instructions.... just look for your options to set the reset temperatures,
I will opt out if you wish.
I will opt out and recommend that you discuss this with the TACO factory help desk.