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switch over from auto-lite pilot to standing pilot - damper question
I have a utica boiler (mgb) that was switched from a auto-lighting pilot to a standing pilot due to reliability issues with the auto-light. I have an automatic damper on the unit with a small exhaust hole. I went down to inspect the work and noticed that some warm air/exhaust was coming out from the front of the hood. I am concerned about CO with this so I shut-off the auto-damper, leaving it open. Has anyone else had a similar issue or could you offer some advice? Do you see a potential CO problem with leaving the auto-damper engaged?