UW21000 Cooling Fan---4 Blade Fan---Replaces 104763A

Replaces number 104763A

20" Diameter 1" Pilot Hole

Fits: 1750 (Gas SN 180537>), 1755 (Gas SN 220000>), 1850 (Gas SN 150421>), 1855 (SN 220000>)
1900 (SN 90525>), 1950 (SN 150421>), 1950T (SN 194080>), 1955 (SN 220000>)