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Help the industrial/commercial guy select a 45MBTU boiler
After posting about a Biasing B-3 and staying with oil, I've been talking to other guys who do more residential heating. I think I'm going to switch to propane. Looking for some modcon advice. A popular install around here is Pensotti which looks to be a run of the mill Giannoni HX and 5:1 turndown. My design templates is 45MBTU on a -40F day, so I would like a high turndown boiler, and will end up with the smallest boiler of a given manufacturer I'm sure. I have a 115gal indirect so no worries about a small boiler for DHW.
Wood gasification is my primary heat source, but with family considerations I'd like to have something efficient if wood ever were not possible. I do industrial/commercial heating controls for a living, so I'd like a boiler with less electronics as I already have a substantial control system for my existing backup oil boiler in place.
Thinking firetube, but not necessarily.
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