This 7-slot blower configuration ensures optimal static pressure

This specific part number (903038P) is the "Less Strainer" (LS) configuration

Proper installation involves loosening the compressor mounting bolts and removing shipping blocks so the unit can rest securely on the isolated spring assembly

Does this unit emit ozone during operation

Dwyer Instruments A3000-00 Pressure Switch/Gage 318518-761 This 7-slot blower configuration ensuresThe Dwyer Instruments A3000 00 is an industry standard Photohelic pressure switch gage designed for precise differential pressure control in critical HVACR environments. This 2 in 1 instrument integrates a time proven Magnehelic gage with high performance low high pressure switches to monitor and regulate positive, negative, or differential pressures. Engineered for air and non combustible gases, it provides a 0 0. 25" w. c. range with a 4" dial face