GeneralAire Humidifier Air Pressure Proving Switch
$78.79
GeneralAire Humidifier GF-12500 Air Pressure Proving Switch.
Features:
For installation on any forced air heating and cooling system
Designed to control Humidifier operation by sensing changes in air pressure within the furnace plenums when the furnace is in operation.
Can be actuated by a positive pressure, negative pressure or a differential pressure of .05" W C or more.
Contains normally open single throw contacts to supply 120V A C to the humidifier or humidifier transformer when the furnace blower runs.
- Used in Models
This product is not used in any models.