Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Point Factory Setting 8 psi Minimum Air Pressure 13 psi Maximum Air Pressure 25 psi Minimum Setpoint Range Minimum 0 to 1.6 in wg Maximum Setpoint Range 0.15 to 3.2 in wg Reset Start Point Minimum Setting 3 psi Reset Start Point Maximum Setting 10 psi Air Consumption 25 scim Signal Pressure - Maximum 10 psig