We purchased a home with a pool a couple years ago and I've been following TFP guidelines with great results (first time pool owner when we moved in). It looks like there was some work done after original install (before we bought it) to perhaps remove something or add something in the plumbing... See picture below. There are back to back manual valves, but with wiring that appears to have previously been for actuator valves. Anyway, the valves have always both been in the OFF position since we moved in, just curious what the heck they are for and where the pipe goes. I thought it might have been for an old vacuum / cleaner setup (pool has a robot). A friend suggested maybe a high-water runoff to our septic? There is a spigot on one end for draining when we get heavy rain. I'm stumped...
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