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.

Williamson-thermoflo Gsa-300 - 180k Btu - 82.4% Afue - Steam Gas Boiler - Chimney Vent Review Aug 03, 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.

Pro Recommended Mar 10, 2016

Talked to a lot of Professionals in the Trade and read reviews, this seemed to me to be the one to buy. Also has a great warranty and hood price.

Great Product! Dec 15, 2016

Easy to install!!!

Surprised Jul 13, 2016

My neighbor just spent $3500.00 having a new furnace put on, which for me was out of the question...I bought your furnace (same size) for $575.00 delivered to my door. I'm 75 years old and had it installed and running in 6 hours complete. And that's for changing electric, gas lines, upper plenum and lower base. The unit is quiet and efficient, I couldn't be more happy saving about $3,000.00. Only time will tell how long it will last but I found no shortcuts on the quality of construction..would... more