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Old 12-28-2015, 11:51 PM   #1
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Low Cold Water Pressure, Hot Is Working

Just arrived in Arizona after spending a couple months in Texas. When I arrived and hooked to the city water there was very low cold water pressure in al the faucets and toilet. I switched to the water pump and same low cold pressure (fresh water tank is full). The hot water works fine. I let the water run for a few minutes on both city and water pump but still low cold water pressure. I removed the water filter thinking that may have gotten clogged. No change, still low cold pressure. I relieved pressure on the hot water tank and also checked that all valve's in the docking station were parallel to the water lines. I have run out of ideas if anyone has any I'm all ears!
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Old 12-29-2015, 07:33 AM   #2
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I have heard that leaving the outside shower valves turned on will affect the water pressure. Easy to check.
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Old 12-29-2015, 08:58 AM   #3
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That is not a pressure problem, it is a flow problem. You have a restriction somewhere or, like mentioned above, a valve turned wrong.
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Old 12-29-2015, 09:07 AM   #4
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Considering that the hot is fed by the cold the pressure should be the same. IF there is a flow restriction after the hot water tank fill T that would look like low pressure.
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Old 12-29-2015, 10:36 PM   #5
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Found it

Thanks all. Found the problem. The valves for the outside hose were turned off but I had a spray nozzle on the end of the hose and there was still water pressure in the hose. Released that water and then cold water worked fine again in all the faucets and toilet. Go figure
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