104549-06 Pressure Switch 2-STG-.85/-.50

This is a high altitude pressure switch that is designed to be used with a 70000 input btu BG972 series furnace when its installed at 4501-7500 feet above sea level.

If installing a 70000 input btu BG972 series furnace using natural gas between 4501-7500 feet above sea level then simply use this pressure switch.

If installing a 70000 input btu BG972 series furnace using propane between 4501-7500 feet above sea level then use this pressure switch and LP converison kit BG11K48.