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Steam conversion

Riles_3 Member Posts: 60
Wet Heads:


I am helping on a job that has taken a twist.

It started as a Hot Water system for a new three story addition in which they are installing Runtal radiators with a Munchkin Boiler (L/P).

The existing house is Steam with an oil fired boiler (2.25 GPH Nozzle). I was just called. I have not calculated the radiation. I do not know much about the steam system, as I have not been in the existing house yet.

Now they ask if they can put in a larger L/P boiler to replace the oil fired boiler.

What additional info is required to evaluate?

Is this possible, if so I welcome details/ideas.

If so would all the existing radiators need to be replaced.


Jeff Riley
Thos. Somerville Co.
Chantilly, VA


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