The stool keeps running abt every half hr we put die in the tank and nothing comes into the bowl we have a fluidmaster Model 400A valve and have replaced the Ball cock in one of the Eljer one piece elonggated toilets both of them do the same thing. The pressure is 70# coming into the house.
START WITH THE EASY STIFF : CHANGE THE FLAPPER AND THE BALLCOCK AND IF THAT DOESNT WORK CHANGE THE FLUSH VALVE ( THE BALLCOCK ) AND SO ON …. YOUR FRIEND THE PIPEXPERT