Williams Furnace High Altitude Conversion Kit with all Required Orifices for 4007331 and 4007731 aluminum-alloy Match Lit:

Match Lit:

Refractory Firebrick Liner (standard)

Affordable temperature control option for electricSchwank single element heaters up to 3000 Watts

Finish: Old Wild Stone

Williams Furnace High Altitude Conversion Kit with all Required Orifices for 4007331 and 4007731 aluminum-alloy Match Lit:Overview 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