Pressure regulators may be located near the meter and service line shutoff valve or may be near the household and irrigation shutoff valves. Some older homes do not have pressure regulators. New homes are required to have water pressure regulators.

How to adjustpressure regulator

A water pressure regulator (sometimes called a pressure-reducing valve, or PRV) is a specialized plumbing valve that reduces the water pressure coming into the home through the main water line. This valve brings down the pressure to a safe level before the water reaches any plumbing fixtures inside the home. Too much water pressure can cause many plumbing problems, so it is very important to keep the water pressure under control.

Water pressure regulatoradjustment clockwise

How to adjustwater pressure regulatorwithout gauge

Symptoms of faulty pressure regulators can vary. You may notice constant high pressure or sustained bursts of unusually high pressure at faucets or shower heads and water being discharged from the relieve valve on your water heater. A hammering noise when turning on water can also indicate high pressure. Sometimes the water pressure drops or is habitually low. In these cases, your irrigation system may dribble when on instead of spraying. Moaning from the pipes can also indicate low pressure. If you suspect problems with your pressure regulator, it is important to have it checked as soon as possible to prevent damage to your plumbing.

You can also contact Public Works at publicservices@lincolnca.gov or (916) 434-2450 to request a pressure check if you have any concerns.

Water pressure regulatoradjustment screw

A homeowner or plumber can use manufacturer's instructions for adjustment. Consult a plumber if you are unsure how to adjust, repair, or replace your pressure regulator.  If your regulator needs repairs or replacement a permit is required.

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The City does not specify a recommended pressure setting. Most homeowners set their pressure to approximately 50 psi, but you may prefer something different. Lower settings help to conserve water and prolong plumbing and fitting life.  We recommend setting the pressure at the lowest pressure possible, while allowing plumbing fixtures and irrigation systems work properly.