Williamson-thermoflo Gsa-125 - 78k Btu - 82.9% Afue - Steam Gas Boiler - Chimney Vent Review Sep 13, 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.

Exciting Product So Far!! May 10, 2016

I have built a greenhouse and installed this boiler into the benches to heat the propagation soil and to a unit heater. I decided on hydronic, but knew nothing about its operation or how it really worked. I did my research and, with the help of ecomfort, electro industries, and other online resources, now have a great system in place. My seed propagation table is regulated at 80-85 degrees and my greenhouse stays warm at 68 degrees. The side benefit is the total lack of noise from the... more

Great Furnace Aug 07, 2016

It was an easy installation and it went in with no problems. Didn't have to do any adjustments all the factory setting were good and it went right in and hook up was seamless. I would buy another!

Nice Panel Radiator Oct 23, 2016

I just wish it was more simple to figure out which connectors were needed. The description should be simpler. All I wanted was 1/2" copper connections but somehow the unit showed up with PEX connections. Overall good radiator though.

Good Match For Replacement Aug 04, 2016

Dimensions all matched and lined up with previous ductwork. Made installation fairly easy.