May 06, 2026 - 08:09 AM
If the Flue Sentinel unit is an FSM model, then there would be a battery for the unit. The average life expectancy of the battery is 10+ years. If the Flue Sentinel is the FSE model, then they do not use a battery since they are wired directly into the 24 volts of the gas log set.
View all FLUE SENTINEL AUTOMATIC FLUE DAMPERS, FSE MODELS - Field Controls Questions & Answers
We’ve provided several answers to questions related to FLUE SENTINEL AUTOMATIC FLUE DAMPERS, FSE MODELS - Field Controls , see some other helpful Q&A related to this product.
Question: is this MA approved
Answer: Yes. The approval is attached.
