Mansfield Genuine 3987-1112 Flush Valve MPP35 The Mansfield Tank Model 3916

The Mansfield Tank Model 3916 Rebuild Kit contains

and comes with the nut

nut to secure it to the tank

The stem is made of copper and the handle screw will cut threads in it when installed

and disconnect the line from the fill valve

Mansfield Genuine 3987-1112 Flush Valve MPP35 The Mansfield Tank Model 3916The Mansfield 3987 1112 flush valve. The 3987 1112 flush valve comes complete with the flush valve gasket, nut, flapper, flapper seal, and the float. This is a 3 inch flush valve designed for the Mansfield tank model 3987. The flapper on this flush valve is not replaceable, but the red rubber seal on the bottom of the flapper can be replaced. It is listed under item number 630 0030.