Gilmour Pressure Relief Valve Parts Kit
Kit fits both the 1-1/2 gallon and 3 gallon Do it Best label, Spray Doc, compressed air sprayers manufactured by Gilmour. Each kit contains: 1 each model No. 4002 pressure relief valve cap, 1 each model No. 4062 spring, and 1 each Model No. 4021 seal assembly.