Dwyer Instruments A3002 Pressure Switch/Gage 320788-703 When diagnosing ignition failure or

When diagnosing ignition failure or pressure switch lockout codes

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Dwyer Instruments A3002 Pressure Switch/Gage 320788-703 When diagnosing ignition failure orThe Dwyer Instruments A3002 Pressure Switch Gage is a high precision, 3 in 1 instrument designed for the simultaneous measurement and dual limit control of differential pressure, positive pressure, or negative pressure. Engineered with the field proven Magnehelic gage movement, the A3002 provides a 0 2. 0" w. c. range with 2% full scale accuracy. This Photohelic pressure switch utilizes phototransistor actuated DPDT relays, ensuring chatter free