As one type of instrument benefitting HVACR and appliance control, sensing probes effectively measure air pressure. Here are some important details for Kmc Controls Reset Volume Controller. Type: Sub Master, Mounting Hole Dia In : 3/16.FeaturesThermostat Required for Cooling: DA/RAAccessories: HFO-0006/SSS-1000 Series Flow Sensors, 4DEA3, 4DEA4, 4DEA5, 4DEA6Thermostat Required for Heating: DA/RASetpoint Range Minimum (In. WC): 0 to 1Air Consumption: 28.8 SCIM at 20 psigReset Pressure Band: 0 to 10 psigColor: BeigeIncludes: Mounting bracketMax. Signal Pressure (In. WC): 6Control Type: DA/RAMain Air Pressure (PSIG): 15 to 30 psigItem: Reset Volume ControllerOperating Temp. Limit (F): 40 to 120 Degrees FType: Sub MasterConnection Ports: Push On Fittings For 1/4" O.D. TubingMounting Hole Dia. (In.): 3/16Material of Construction: ABSFeatures: DA or RA, Adjustable Min Max, Reset Start Point Factory Set at 10 psig StartSetpoint Range Maximum (In. WC): Min. to 1Output Capability: 0 to Supply PressureOutput Sensitivity (In. WC): 5 PSI / 0.02" WC