Warm And Cozy Aug 16, 2016

I bought this unit not knowing if it would heat my 19 x 21 kitchen, but to my surprise I have not had to turn the unit any higher than 4 and that was on a -20 day . So my wife is well pleased with me.

Williamson-thermoflo Gsa-200 - 125k Btu - 82.8% Afue - Steam Gas Boiler - Chimney Vent Review Sep 12, 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.

Great Boiler So Far Jan 29, 2016

Installed a few weeks ago...extremely quiet...installation easy....like flexibility of programming.....all working well. Update 1/7/16: Super quiet, easy install, amazingly efficient.....installed in off grid home and working flawlessly for the past few months

All Ok Oct 31, 2016

The unit is what I ordered, arrived on time slight shipping damage to the metal grill down low on the condenser unit although it didn't hit the coil I will straiten the metal because were I am installing the unit it will not be noticed. Thanks for the great service. Tom

Too Early To Tell Sep 07, 2016

Hooked up the heater in late June, so no way to tell how it will work when the cold weather arrives. Hook up was easy, except the schematic didn't really tell which of the possible 5-6 spots the two line thermostat was to be hooked. Blew a fuse the first time I turned it on, but the second placing of the thermostat lines worked.