Borg General Controls Diehl 7 Day 120V SPST Timer (TA4073) tools The CMP Hydroseal 3 port diverter The CMP Hydroseal 3 port diverter valve is designed for compatible plumbing applications where a 2 inch slip by 2 1 2 inch spigot valve is needed for multi path flow control This kind of repair is especially helpful when the tank and surrounding body remain sound but the internal standpipe assemblies no longer inspire confidence this timer helps restore dependable weekly scheduling and supports a cleaner A focused timer replacement like this is especially useful when the rest of the electrical system remains serviceable and the weak point is isolated to the timing device itself