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Posted by HeatPro on August 03, 2009 at 20:11:53:
In Reply to: Re: LAARS EBP 175 Lock-out posted by Darryl on August 03, 2009 at 11:49:21:
: Sorry, wrong on all counts: 1) our house was completed in 2003 (the LAARS units are original, our builder and his sub recommended them as the "most advanced" available); 2) it is 4700 sq. ft. (heated); 3) it is EXTREMELY well insulated
If you've read the references, then you'll know why putting 300,000 btuh worth of heaters in a house that needs 100,000 btuh is your problem.
They have been stressed by rapid cycling and inadequate water flow. That is the reason people use heat loss estimates first.
Use a free heat estimator program here and you'll find who is correct.