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Oversized Steam Boiler Replacement

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Steve Garson_2
Steve Garson_2 Member Posts: 712
in THE MAIN WALL
Present boiler: Smith Model 19 6 section: Net IBR: 2308 Sq Feet. Firing rate: 2.5GPH oil. Works fine.

Actual EDR load: 900 Sq Feet.

If I fire a similar 3-section boiler with Net IBR: 929 Sq Feet which has a maximum burner capacity of 2.6 GPH, can anyone venture to guess if there will be much of a fuel savings and if so, how much? We're buring 5400 gallon a year with the 6-section boiler.

I'm weighing options (other threads here).
Steve from Denver, CO

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  • Brad White_185
    Brad White_185 Member Posts: 265
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    I would have to think that

    the smaller boiler (with the same firing rate as the larger one you have now) will make steam much faster. It has to.

    What you have now you say works fine, but I have to imagine that it takes a good while to literally get up to steam. Have you timed that? I just see that such an under-fired boiler would drag it's feet. That has to cost fuel without steam delivery.

    Hard to predict but the firing-time factor without steam would be an indicator.
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