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The Campbell Hausfeld 3/8-inch NPT drain cock valve (GR001500AJ) is designed to replace the drain cock valve on all Campbell Hausfeld single-stage air compressors, some Campbell Hausfeld two-stage air compressors and some other brands of air compressors with 3/8 inch NPT openings. A properly operating drain cock valve helps keep air tanks drained of accumulated moisture to slow the development of rust, which eventually can perforate an air tank and require it to be replaced. Refer to your owner's manual to see if this drain cock fits your air compressor.
