Hi all

one thing that ive found that works as well ,without the stains is Standard
rubbing alcohol as a primer it does a very good job of removing all oils and residue and doesn't leave the lovely purple stain.I hope this helps

take care

Hi pimpmann

From what ive found this model of valve doesnt release fast enough.What i ended up using is the Rain bird Apas-075

hope this helps

buhyah