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Three Causes of Low Water Pressure and How to Fix Them

There are a number of things for you to check when considering the cause of your home's low water pressure. First, check your well to see what the pressure gauge is reading, you should expect to see between 40 to 60 pounds of pressure on the gauge. You can test the gauge's accuracy by turning off the circuit breaker to the well pump and draining the pressure down to nothing. At that point your gauge should read “zero”. If the gauge reads true, then you know it's working. If it tells you anything other than zero, you should consider replacing your pressure gauge.

Second, if you have sufficient pressure on the gauge, then check to see if you have an inline filter of sorts, like a cartridge filter in the garage or out by the well. If so, be sure to replace the filters regularly as they will accumulate build-up over time and will need to be replaced.

Third, clean the aerators on all the faucets. The aerator is at the very end of the faucet and will unscrew from the neck. Make sure you place a towel over the drain so nothing falls into it, and carefully unscrew the aerator assembly (there will be several parts including o-rings and a screen). Be sure to make note of the order and position of the parts as you disassemble it. Take a knife or scissors and scrape the screens clean. You may need to use a needle to poke clear any blocked holes in the screen. Soak the pieces in a small bowl of white vinegar, for a couple of hours, then brush them with a stiff bristled brush, and rinse them. This will break up any mineral deposits and make the faucet flow like new.

After this, hard water deposits are gone and you’ve got water flow that’s back to normal.

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Erica Bales