Any help would be great in helping me identify the valve model. I need to find a replacement for the diaphragm.
See the attached link called valve.
Here is a link that might be useful: valve
If you don't know where they came from or see a label, then I would replace the valve manifold and valves. Start over. It is not that expensive and less effort on your part. JMHO Aloha
I found out it is an olson. The part will cost me about $14. I order the part and most likely replace the whole system comes winter. Thanks again.