Advise boiler choices, please

Ted_9

Munchkin T50M or the Contender MC50. Off the top of my head, those two boiler has the lowest BTU input.

Gene Davis_3

For a small new house, heat loss calcs only show something like 40KBth/h at design temp of -30F. Boiler will heat water for in-slab PEX on lower floor, higher temp rads on main floor. Plus DHW with a 45g. Sup-R-Stor.

He is gettig a Trinity 150 pushed at him by local supply, but I think it is too big and will short cycle. I think he needs something in the 50-60 range with a good turndown.

Please suggest other options.

Gene Davis_3

That is what I am saying, but I don't have the creds to back it up.

Can you offer reasons why choosing a boiler with too much capacity, such as the Trinity 150, is a bad idea?

Ted_9

Well

It's bad because it will short cycle and waste fuel.

I for got to mention that there are other manufacturers that make boilers in the low BTU input range.

Steamhead (in transit)

If they keep pushing that oversized boiler

find someone else to deal with.



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