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Utica 125 AGB gas boiler - No heat on one side of the house

NinaS Member Posts: 1
We have a Utica 125 AGB gas boiler system which we inherited when we purchased our home. A week or so ago we noticed there was no heat coming from our bathroom baseboard, then yesterday there was no heat coming from the entire east side of the house. Several weeks ago we had to have the system serviced as we were informed there was too much water in the system / the pressure was too high and needed to be released. Prior to the tech coming out, I read notes written by the previous owner and followed their directions in an attempt to service the unit myself, but eventually chose to call in an expert. There is no water currently running in the zone that's not working and I think I might have shut off the water source to that zone accidentally. All other areas in our home are working fine. Now having somewhat of an understanding on how the system works, I'd like to take the chance of doing things myself. The main concern is that most of the valves are not labeled and I don't want to cause a bigger mess. Can you please help???


  • RobG
    RobG Member Posts: 1,850

    Can you post pictures of your boiler and the near boiler piping? Also post a picture of your boiler pressure gauge

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