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> New dwyer photohelic pressure switch gage usa made
New dwyer photohelic pressure switch gage usa made
New Photohelic pressure switch gage. Made in USA by Dwyer Instrument. This is a very precision type switch with a easy adjustable high & low setting point's. Approx. 5" dia. x 8 1/4 long. Weight 4lbs. 12 oz. Rated -20" Hg to 25 psi. This is a very expensive gage that I'm selling cheep.