I have a system with a Hays brass solenoid 110v main control valve running into a 5 zone Fimco Cycla-matic (metal) zone controller. The diaphragm in the Hays valve has failed and the system will not function. I cannot find any reference to this type of Hays valve to replace the diaphragm. My options are to replace the valve with a new plastic control valve or brass. I was able to get a 1 1/2"plastic valve locally and would like to replace it with this. The pipes are all about 30 years old and ap...
