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Posted by Eric on December 30, 2006 at 19:31:47:
I live in Maine and my place has an oil fired, H.B. Smith BB14 Boiler that was installed in 1985. I have only been here since 2003. I have been told that the unit is a combo steam and hot water system. The older part of the house has cast iron radiators, which I believe is steam, and the newer part of the house has hot water baseboards.
The hot water in both parts of the house can not keep up with one shower a-day. The first day the hot water is adequate, but not steaming hot. The second day the hot water is a bit cooler, the third day is cooler again, and so on and so on.
A local boiler service technician told me that every few days I have to add water to the boiler to keep the water level at or just above the "normal water/steam level line" using the sight glass. This unit also has an Everhot tankless hot water tank on it with a Honeywell Aquastat that is set for 180deg F.
My questions are as follows:
1) Why do I have to keep adding water to the boiler?
2) Can I increase the hot water temp by turning the knob on the Aquastat to 190deg F?
Thank you & Happy New Year!
Eric