6 Causes Of Low Water Pressure

Low water pressure on your property is typically due to an issue within your plumbing system.  Low water pressure is a phrase used to describe a low flow situation where one or more fixtures in your home do not provide adequate water flow. Keep in mind that there is a relation between pressure and flow; however, it is possible to have adequate water pressure but still have low flow out of one or more fixtures.

6 Causes of Low Pressure On Your Property May Include:

Water Softeners

The cause of a sudden change or decrease in your home’s water pressure can be the result of a water softener that has not been serviced in a while. You may want to seek a professional service technician to evaluate your water softener’s condition.

Depending on the type of water softener and plumbing configuration on your property, you may be able to troubleshoot low-pressure issues caused by your water softener by temporarily putting the softener on by-pass and seeing if the pressure increases. If the pressure increases, the problem is probably caused by the water softener which may need service, or be fully replaced.

Pressure Reducing Valve

If the low pressure is happening at every faucet in your home, and you have a pressure reducing valve (PRV) installed, verify that your PRV is set appropriately. Most PRVs are bell-shaped devices that may be installed near the water heater, water softener, or outside on the inlet water line between your home and water meter. Pressure reducing valves should be adjusted by a licensed plumber.

Clogged Aerators

If every faucet is not affected by the low pressure, the problem may just be a clogged or blocked faucet aerator. Check the aerator screens for rust, debris, scale, or other particles that may be restricting flow. The aerator might only need to get cleaned or replaced.

Hot Water, Low Pressure

If the low pressure is only affecting the hot water at your property, there could be a problem with your water heater. Make sure the shut-off valve near the water heater is fully open. You may want to consider consulting a licensed plumber to evaluate the condition of your water heater and determine if it is affecting your water pressure.

On-site Water Valve

Examine your on-site water valve.  On-site water valves may be located near other on-site fixtures such as a water heater or water softener, the garage, or on the inlet line between your home and water meter. This valve, which may be utilized to make plumbing repairs, allows you to shut off the flow of water to the home. Make certain the valve is completely open. The slightest closure can restrict flows and decrease the water pressure.

On-site Leak

Low pressure can also be caused by a water leak somewhere on the property. Contact a licensed plumber to examine your property.

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