Danco 72639 Relief Valve Repair Kit, Plastic, For: All Diaphragm-Type Exposed or Concealed Regal Valves

4.5 GPF standard (white relief valve). For use on Sloan Diaphragm-type exposed or concealed Regal valves and pre-1997 Royal valves. Contains A-19-A relief valve, A-15-A molded disc, A-156-A diaphragm and A-163-A plastic guide. OEM reference # 3301036.