I think the pressure switch on the tank tee is not wired up, and he is using the black pressure switch that is on the pump.The switch is plenty close to the tank. That makes me think the tank is waterlogged or has too much air charge.
Valveman, when the sub pump is routed through the geo unit and discharging into the atmospheric storage tank is there any value in putting a CSV on it?
That looks very inaccessible. Does that tank tee have a union on it on its way into the tank? If so, I am thinking you might put a union on the output copper pipe, and pull the tank tee away. Then you can get wrenches in place or big locking pliers. Maybe use a bench vise. I like the Milwaukee 10-inch curved jaw locking pliers.
I am looking at your steel shelf. If the tank were to the edge, you could get better access. If you move a pipe clamp or two, could you jack the tank base closer to the edge-- enough to allow access from below?
Perhaps pull the nipple and the gray pressure switch for better access.
With some check valves, you can remove the poppet and spring. The check valve just becomes a connector. I have never done that. Here is a view of a check valve:I am able to put a 24" pipe wrench on the check valve. The tee feels like it will collapse if I put enough force on the pipe wrench.
This is awkward, but...
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