Work Great - Easy Diy Install May 28, 2016

Easy to setup and the optional install kit had everything needed for the job. Unit came missing a panel cover and still am waiting to see if this gets resolved.

It Is Not Installed Friendly To The Tech Sep 30, 2016

tech had lot of troubles and there were no instruction given and the part was missing that goes in the furnace metal peace is misssing in the package

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.

It Does Not Work Jun 01, 2016

Installed the unit, turned the power on, getting flashing on/off light. Remote cannot find out the problem.

Quiet And Effective Sysem Feb 16, 2016

Delivery was OK (took awhile). I installed the indoor unit in a difficult spot so ducting was a real challenge. The concern was finding a HVAC teck to complete the skilled work. It was several calls to find one and therefore paid more than I had budgeted. Recommend working on that issue prior to jumping in to self installation. Happy with the system.