Replacement Gas Steam Boiler

Brad White

50 year old Crane coal burner.... Hey, old as I am... sheesh.

Rather than go out and buy a match-up you have a fantastic opportunity to take stock of your actual needs.

This does not seem like a very big house for that climate, is it? I mean, 60 MBH for a house that old, could be insulated and sealed to be a 35-40 MBH house by today's standards. Anyway, thought I would ask.

Assuming you are sticking with steam, see how those 60 MBH worth of radiators match an accurate heat loss calculation. If not grossly over-sized, great, size by the radiators. If they are grossly over-sized or you now have an open plan, consider reducing the number of sections to match the heat loss. A project but if you can, it will get you a smaller boiler.

I will let others make model suggestions, especially given the altitude.

Alex_16

New steam boiler

Greetings-
It's time to replace a ~50 year old Crane coal-burning, gas-converted steam boiler. Any suggestions for a specific make or model?
On the same line, should I install an indirect water heater, and if so, do I need to bump up the BTU/hr rating of the boiler?
60K BTU/hr worth of radiators, n. Utah, low of -10, 4000' elev.
Thanks!

Steamhead (in transit)

Best boiler I know of

for residential gas-fired steam, is a Smith 8 series oil-designed boiler with a factory-supplied power gas burner. This is roughly 6% more efficient on an input-to-(DOE)output basis than the typical atmospheric boiler.

The 8 series is tapped for an indirect hookup, and you don't need to add to its size to use one.

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