Mansfield 3987-1112 Complete Flush Valve Assembly

The Mansfield genuine 3987-1112 flush valve is designed for the Mansfield tank model 3987. This flush valve is a 3 inch model, and it comes complete with the flapper, foam float, flush valve gasket, and the nut to secure the flush valve to the tank. The flapper for this flush valve is hard plastic, and it is not offered seperately. Usually when there is a leak coming from the area of the flapper it is caused by the red seal, which is offered seperately under part number 630-0030.