Hey Pass1 and Gator Guy, THANK YOU VERY, VERY MUCH for the info. You've resolved a years long nagging puzzle for me. The flow of information out there on the WWW these days is truly mind boggling.
I've been dealing with irrigation systems one way or another for 40 years; installed several, repaired dozens of problems, etc . But one thing I've long puzzled over and can't get into my head (even though I've opened up and cleaned several of them) is the exact internal mechanics of the typical solenoid control valve. IS THERE, somewhere, a set of diagrams of the interior workings of the typical small commercial / residential type - (i.e. Rainbird DV series, Weathermatic 21000 or 8200 series, e...
