Muni water supply in small CO mountain town is about 50 PSI now, in winter. It will rise to 180 PSI spikes a lot with spring melt and continue until fall when it again slowly diminishes. Installed a pressure reducer to save fixtures. The incoming 3/4 galvanized pipe is also corroded so volume is reduced. Issue with low pressure in winter, can only run a single shower at a time, which dwindles down to about 43 PSI a few minutes in and holds. Need consistent pressure/more volume. Considered adding a tank-only at the incoming main pipe, or a shallow well/convertible jet pump with a 12 gal tank with integrated pump? Bought a Superior Pump model 94553 but if I don't need the noise much prefer no more motors. Would just a pressure tank alone help? It seems logical since it would mimic replacing the main supply pipe with a larger one, ie more volume under pressure, maybe enough for a shower? Would it work when PSI remains high enough, but dwindle pressure after a few minutes, ie would it add the volume and maintain the pressure longer? Cannot afford to replace main supply pipe buried 8 ft and will likely need directional drill to route under another building anyway.
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