Williamson GWI-158-N-T-S3-W GWI Series 3 High Efficiency 158,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Intermittent Pilot, Taco 007

Williamson GWI-158-N-T-S2 GWI 158,000 Input Natural Gas, Intermittent Pilot, Taco 007

"Uncover warm possibilities" with Williamson-Thermoflo's GWI Gas Water Induced-Draft boiler. The highly efficient GWI-158-N-T-S2 pumps out 158,000 BTUs with an AFUE (annual fuel utilization efficiency) rating of 82.4 percent. Not only is the GWI efficient, but it is also versatile with the induced-draft design that allows for chimney or sidewall venting. This factory-packaged boiler has many features; like a compact design, cast-iron sections with built-in air separator, hot surface ignition system, and an insulated heavy-gauge steel jacket. The GWI is also easily serviced with all controls in reach, color-coded wiring, and a one-piece access door. Since it is factory tested and comes with a limited lifetime warranty, you can be absolutely sure that your investment is reliable and built to last.

• GWI boilers are factory tested, ensuring reliability and properly functioning equipment.
Easy Service
• With all controls in reach, one-piece access door, and color-coded wiring, servicing the GWI boiler easy.
Limited Lifetime Warranty
• A limited lifetime warranty on the heat exchanger means that you can rest assured that your investment is covered, should there be a problem.
Multiple Venting Options
• Induced-draft design provide you with many options for your boiler by allowing for sidewall or chimney venting.
Compact Design
• GWI's combact design allows for installation is tight or small spaces.
Product Includes
• Taco 007 Circulator Pump