SENSITIVE DIFF PRES CTL; The Johnson Controls P32AF-1C is our most sensitive differential pressure switch for measuring extremely low vacuum pressures, down to 0003 in wg turndown It features its stainless steel 316L housing that provides crisp, repeatable adjustments needed in vacuum metering applications Simple and Sensitive - This differential pressure switch is set for 50psi drop when in manual mode, and when in automatic mode, the preset differential of 0 to 15 PSI is maintained The high level feature allows a user to select a high limit of 100 PSI in case pressure rises above the preset differential value The differential pressure switch, models P6843-2C, P32AF1-1C, P32AF3-2C has been designed for the air balancing needs of the water distribution industry An economical differential pressure switch is now available to fill an important need in this industry This switch is sensitive to small pressure differentials with a range of 0 to 5 psi and has a low differential pressure and low and high limit alarms The Johnson Controls P32AF-1C differential pressure switch has a range of 30 to 50 in wg and a sensitivity of 045 inH2O It is designed for use with domestic heating and cooling systems (heating, ventilating and air conditioning) Includes 160A, 1000VAC motor starter -"TEST" output function/feature 4 terminals High voltage contacts High differential pressure contacts Made from durable, long lasting plastic for longer life The P32AF-1C is a positive displacement pressure control switch that is designed to continuously monitor and control dampers, valves, beacons, louvers, or similar devices The air pressure switch provides a specific differential pressure level as signal input signal It can measure pressure from 0 to 5 psi and it outputs 4 to 20 mA current loop signal This device contains precision miniature balanced diaphragm inside its hermetic stainless steel case that keep the output signal stable over a wide range of installation conditions This pressure switch is calibrated to sense pressures of 05" WC differential pressure The on/off knob produces an output signal on terminals 2 and 5 when the zero position of the knob is reached This is the same position as the gauge pointer on the face of the transmitter Terminal 2 makes a direct connection with ground through a 01 microfarad capacitor loaded by 500 ohms Terminal 5 is connected to terminal 1 through 500 ohms The Johnson Controls P32AF-1C differential pressure switch is designed to use in HVAC systems It features an adjustable reset with four settings to support variable airflow conditions This air pressure switch is compatible with Johnson Controls Goodman, Amana, and Janitrol units The P32AF-1C Pressure switch is a standard differential pressure control with a set point of 10 in WC The C suffix refers to the product's low deadband These products are not normally ordered by the customer but are stocked for specific applications or installations The Johnson Controls P32AF-1C is a pressure switch, differential pressure It's used in air conditioning and refrigeration The Johnson Controls; P32AF-1C; Differential Air Pressure Switch is a typically used as a component in the following types of products: Air conditioning and heating systems: air coolers and heat pumps Heating and air conditioning: portable and window units Heating and cooling: residential and commercial HVAC controls Residential: furnaces A Differential Pressure Switch monitors changes in air pressure from a control system It is used to control equipment that may be damaged by the high pressures from a pump For use with Carrier and Bryant air-conditioning and heat pump units and systems Recommended for sealed units for differential temperature control to 001db (water vapor) at all primary and secondary air-handling openings