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Can I get more efficiency from my old boiler?
Can I get more efficiency from my 1988 6 zone natural gas boiler? For example can an electronic igniter replace the pilot? Can a modulating burner replace the full on burner? Can it be adjusted and/or cleaned? I'm told there is nothing to adjust.
I live near Boston and keep the heat low but my gas CCF usage is 3-4 times my old similar sized house with condensing gas forced hot air furnace. New house has more window area and higher ceilings but better insulation and air sealing.
I started getting quotes on a Mod/Con boiler. But they run 4 times what it cost to install the condensing gas forced hot air furnace at the old house.
I mention the pilot/igniter because I can hear that it is a large flame. I turned off all thermostats and read the gas meter over an hour. The bottom dials on the gas meter are a bit hard to figure out but if I got it right the pilot is using 2 CF per hour, which is 14CCF per month or about 10% of November usage at the new house or 34% usage compared to old house. (These are rough numbers - I did not turn off HW)
Burnham P-208-W Installed 1988 Manufactured 1983
DOE HTG cap - 190,000
Water BTU/hr - 165,200
Input BTU/hr- 232,000
Gas pressure - 14 max and 4.5 min
Manifold pressure - 3.5
ASME max working pressure
Water - 30 psi
Min relief cap - 232