I've recently purchased a home that has an in-ground sprinkler system using Nelson equipment installed by one of the original owners probably close to a decade or more ago. The controller is a 7 zone system (we have 5 zones in use) using a Nelson 8407 Res 7 Electronic Controller. I just recently tested the system (subsequent owners had not used it) and found that it still functions quite well, but that a few of the in-ground pop-up impact rotors are broken. Never having had a sprinkler system be...
