Upon arrival, the pressure valve was all the way screwed in, check the pressure at 90 PSI. Adjusted pressure down to 70 psi. Checked out the front yard sprinkler system. The pressure would reduce down to 28 psi when the front yard was turned on. Almost none of the heads would pop up. When the backyard sprinkler was going, the pressure was at 41 psi and all of the heads completely popped up. Front hose bib needs parts, Customer is going to look to replace it himself.