Quote:
Originally Posted by buffalobillpatrick
Mikesolar,
I think my Burnham CI NG RV-3 88% Eff. is a pretty darn good choice.
Should last 25 yrs + low maintenance.
I have had much trouble with mod-cons at high altitude. Never-again!
1. I have installed 3 top name brands and they all had problems fireing off, and yes, I have a nice combustion analyzer and they were setup correctly.
2. I don't think that they are designed or tested for high altitude.
(haha, I just read Mikes post above so you may take my thought about the pot with a grain of salt)
3. Mod-cons don't condense very much up here so anything over 90% Eff. is fantasy.
4. Mod-cons seem to break too often.
NiHaoMike:
Would R410a or R22 scroll compressor work best with Propane R290 ?
I copied this somewhere:
"In other words: R290
profits in capacity and efficiency from useful superheat, the
use of a heat exchanger between the suction and liquid lines
is therefore an advantage."
BBP
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I'm a bit taken with Viessmann (probably it's why I continue to put them in) and I know they have 1000's of boilers in the Alps doing well. That said, the Burnham will serve you well.