Blueridge 91W53  High Altitude Pressure Switch

This is a high altitude pressure switch that is designed to be used with the 70000 and 90000 input btu BG802 with a high efficiency multi speed motor furnaces (Ex BG802UH090BE12 and BG802DF090BE16) when they installed at 4501-7500 feet above sea level.

If installing a 70000 and 90000 input btu BG802 high efficiency multi speed blower series of furnace when at 4501-7500 feet above sea level then simply use this pressure switch.

If installing a 70000 and 90000 input btu BG802 high efficiency multi speed blower series of furnace at 4501-7500 feet above sea level and using propane then select BG802-LPHAK1 which includes this pressure switch and the matching 2 stage LP convenrsion kit BG11K48.