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Too much pressure

JonDes1369
JonDes1369 Member Posts: 1
in Oil Heating
Looking for some help - I installed two new baseboard units yesterday. I connected them to an existing baseboard unit in another room. I turned the water back on - bleed the air out of the line - and everything seemed fine. I went down to the basement an hour later and water was coming from the release pressure value. I looked at the pressure gauge and it was in the red. I shut off the system and drained the water which reduced the pressure. I thought maybe air was trapped in the system (could be - I am not sure)

I thought maybe that I broke the expansion tank - it seems fine - the knock is different from the top to the bottom.

Any thoughts on what it might be?

Comments

  • hot_rod
    hot_rod Member Posts: 23,128
    Fill valves can fail to shut off completely after long periods of non use. Turn off the fill valve, lower the pressure in the system and observe.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • nevele
    nevele Member Posts: 30
    Did you install the new heaters in series with the one in the other room. (complete the loop)

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