GA031901AV is a Campbell Hausfeld OEM 2-inch dial back-mount pressure gauge rated for 0–300 psi, designed as a dry (unfilled) gauge. It features a 1/4-inch NPT back-thread connection and a 2-inch dial face, making it suitable for mounting in compressor panels or control housings. Commonly used on Campbell Hausfeld air compressors and other equipment that specify GA031901AV, this gauge provides PSI readings to help set and monitor operating pressure within the 0–300 psi range.
