A Great Boiler Aug 26, 2016

I use the IN11 for a typical 6-fam 3-fl walk-up typical of Bay Ridge, Brooklyn. 5,000 sq.ft. living space. Check the dimensions. Mine appears twice the length of the photo. Mine is This is a high-efficiency unit that has streamlined my gas consumption. It's very easy to install and maintain. Sit it down on some flat 4" solid blocks, and assure a good fresh air intake method. Just drain a half-gallon or so of dirty water every couple of weeks to keep things clean inside, and don't... more

Best Inventment Ever! Aug 20, 2016

Our main house is cooled by a 2.5 ton conventional a/c. I replaced that unit in June with a new American Standard (Trane) a/c. On the back of the house is a Florida room 44' x 12' that was not air conditioned. Three sides of the room are sliding glass doors, circa 1989, overlooking a lake and facing east. The summer sun and Florida temperatures made the Florida room un-usable during the daylight hours. A load evaluation recommended a 3 ton unit to cool the Florida room. After much... more

Nice Choice Sep 02, 2016

The radiators went together very easily with the connections provided to the heating pex and there were no leaks. very easy to bleed. they provide much more heat than I was getting from my old wall convectors and seem to retain the heat a long time after the boiler is off. Not hard to hang either as long as you separate the hanger prongs in increments of 1/2 inch. Also, my wife was pleasantly surprised by the appearance

On The Fence Feb 16, 2016

Go for it. I installed it myself, which went great. It's highly recommended

Williamson-thermoflo Gsa-100 - 62k Btu - 82.9% Afue - Steam Gas Boiler - Chimney Vent Review Sep 14, 2016

Built by a division of Weil McLain the boiler it is similar to their products. Seems to be build well and I hope to have years of trouble free working status. A little difficult to install given the position of the ports. I will recommend this product to others.