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The pressure is fine. The water temp could be a bit low but it depends on the system design temp. Lower water temps are more energy efficient but 125 ish might not be hot enough to heat the house on a really cold day. BUT you system could have an outside sensor which will modulate water temp based on the outdoor temp. So if it's not real cold out the system will run at a lower temp saving you money. I'd get you boiler checked out and be there so the tech can explain it's operation to you. Then you may not need service or a check up for several years as long as it functions properly. You should start the system up early in the fall to be sure it's working ok.