Williams Furnace 12" Vent Tubes for Direct-Vent Furnaces h39 your chimney must have a

your chimney must have a minimum height

Room temperature readout

3 Piece Rock Set

heat loss due to the standing pilot and from cold start up

quick drop

Williams Furnace 12" Vent Tubes for Direct-Vent Furnaces h39 your chimney must have aOverview 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