For those experiencing this issue, there is a simple fix that's REALLY EASY. First turn off the pump/water and open the subject valve to release water, and then close it. On the side that turns the wrong way, if you remove the cover in the center of the knob and remove the screw and knob, you should see the valve, and notice the thick white valve stop on the left side of the valve with the knob removed in the pic below. (The locknut is already removed in this pic, but it's installed in the other pic)
You have to remove the plastic nut that holds the valve in, and pull the valve out and rotate it 180 degrees so that it looks like the picture below.
Now, comes the tricky part, but really it's simple. With the valve in the new position, turn it clockwise to the off position (IT'S BEST TO FIT THE KNOB ON AND DO THIS, AS OFF POSITION IS CRITICAL). Without twisting/turning the valve, pull it straight out, and sit it down in exactly the position it installs (OR AT LEAST GET A GOOD MENTAL IMAGE). Look into the cavity that it goes in, and you should see a black rubber washer/o-ring (or whatever the plumbing term is). Note it's position/orientation. Look at the end of the valve that goes into the cavity, and you will see a stainless piece with 2 holes in it. It will pull out of the slots that its 2 metal tabs are in. You have to rotate it (should be a quarter turn) to where the solid part will cover the rubber washer. Basically so that neither of the holes is over the rubber washer. Make sure that the rubber washer and spring that goes behind it are properly in place, then reinstall the valve and put the plastic nut back on. Turn water on and make sure it works properly before finish installing the knob. If you get water flow with the valve off, you didn't position the metal plate properly. Trial and error will get you there, but you have to pay attention to having and keeping the valve in the off position when removing it to orient the metal plate. Very simple and worthwhile for getting rid of the annoyance. Be careful to release the pressure before removing the locknut, or water will push the valve, washer and spring out. It's not a big deal, the spring fits in the washer and goes back in the recess in the faucet body effortlessly. Good luck and if need be PM me if you need walking through on the phone.
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