The Rain Bird Solenoid Repair Kit is for APAS/ASVF/ECV/CP/CPF valves. For Black Valve - Newer Models and newer gray style valve. Please note the APAS075/100 valve has been discontinued. This solenoid is to replace the updated version solenoid that is a hexagon shape with smooth edges. If you have the older round version solenoid with ridges, this will not work. Older style B60587 or B60592 no longer available. Needs 1 diameter to fit on bonnet. Please note that the 145235 Piston and actuator assembly is no longer available.