Williams Furnace High Altitude Conversion Kit with all Required Orifices for 5008631 eclipse-fire-urn 5-inch diameter opening

5-inch diameter opening

Top flue configuration

Traditional front-open and linear-opening styles are available

Nextrema® Schott glass ensures even heat distribution and minimizes light emissions

Accessories available to enhance the look of your hearth

Williams Furnace High Altitude Conversion Kit with all Required Orifices for 5008631 eclipse-fire-urn 5-inch diameter openingOverview Williams Comfort Products Made In America Since 1916! For over 100 years, Williams has designed and manufactured quality heating, ventilation, and air conditioning products for both the home and business. It all started in 1916, when Jesse Williams began building gas steam radiators in Los Angeles under the banner Williams Radiator Company. Williams commitment to quality was clear from the start, and the companys product line expanded over