Williams Furnace 8A144 High Altitude Conversion Kit for 140381 oil-furnace Product Code Part No Size

Product Code Part No Size 164180 4OV-TC 4-Inch 165180 5OV-TC 5-Inch 166180 6OV-TC 6-Inch

Choose between natural gas and propane

Certified to 2020 EPA emissions standards

To be installed at both ends

Painted Trim Sleeve

Williams Furnace 8A144 High Altitude Conversion Kit for 140381 oil-furnace Product Code Part No SizeOverview 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