104371-11 PRESS SWITCH .95(4500-10000)

This is a high altitude pressure switch that is designed to be used with a 70000 input btu BG961 series furnace when its installed between 4501-7500 feet above sea level.

If installing a 70000 input btu BG961 series furnace using natural gas between 4501-7500 feet above sea level then simply use this pressure switch.

If installing a 70000 input btu BG961 series furnace using propane between 4501-7500 feet above sea level then use BG961-LPHAK 1 which includes this pressure switch and LP converison kit BG11K50.