Trying to help my Dad with an issue, water pressure fluctuates, so I checked the pressure switch, it was somewhat clogged so I cleaned out the water inlet, reinstalled it and no real change. The pressure gauge was inoperative, so I had no way to check and decided to purchase a new pressure switch and gauge. Installed them both and now I can read the pressure but there seems to be no change in the ability for the system to hold a steady pressure. What the system is, is a well pump at the well, comes into the basement and into a fitting with the pressure switch mounted to it along with a shrader fitting and the pressure gauge. From there it branches out with one line to a 30 gallon tank and the other way to the house system. The tank is a galvanized unit, no idea if it has a bladder. The issue, when water is turned on at faucet, it flows fine, but pressure rises and falls as the pressure switch makes and breaks contact. I can adjust it somewhat with the cut-in but not to a point where it is steady pressure when running. The pressure will rise to 70 and then fall to 35 in a matter of3-5 seconds when calling for a low flow, and rise and fall a little quicker when calling for a higher flow. If I open the faucet/drain at the tank fully however, the system is not satisfied and will not shut off at all, or until I start closing the faucet. Any ideas?
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Fluctuating Water Pressure