Williams Furnace 8A146 High Altitude Conversion Kit for 3003821 btu41000 Its simple mechanism makes it

Its simple mechanism makes it possible to close the damper tightly when the heating appliance is not in operation

Easy to Clean or Service

Covers the gap between the fireplace insert and the fireplace edges

MCK-04-NAT   Firetables

Size:  26 D x 6

Williams Furnace 8A146 High Altitude Conversion Kit for 3003821 btu41000 Its simple mechanism makes itOverview 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