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Monday, March 21st 2011, 2:46pm

Author: gbchriste

1" valve on 1 1/4" supply line

I have a 4-zone indexing valve on my sprinker system that has 1 1/4" PVC supply lines exiting the bottom of the valve for each zone. The system was already installed when I bought the house 17 years ago so I don't know if the supply lines transition to 1" in ground or not. The indexing valve is in pretty bad shape. I have to constantly disassemble and clean it to keep it working and now the iron pipe from the pump to the indexing valve is rusting out and leaking badly at the threads. So since I'...