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Sometimes it can be a combination of these contributing factors. For more confirmation that the sound is caused by the PRV, go to where it is located and listen. It should be noticeably louder right next to the PRV.

When PRVs start to wear out, they can cause many strange issues with the water pressure throughout your home. As we go through these different symptoms, it is important to know that they will usually occur all over the house at the same time when they are caused by a failed PRV. If you are having any of these issues on only a single fixture in your home, then the issue probably isn’t with the PRV.

Don’t you think your family deserves the very best?  FEBCO 765 and City Backflow Testing, names you can count on in the backflow industry.

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If your faucets, toilets, or appliances need frequent repair, this could be a symptom of high water pressure. Most fixtures are rated for a maximum working pressure of 80 psi. If you have a pressure that is continually higher than this, parts will wear out and things will break more quickly.

The PRV won’t last forever, though. They are made with rubber parts and springs that will eventually wear out or get gummed up with particles in the water. Usually, PRVs fail slowly over time. It may take a while for you to notice there is an issue, especially if your usage habits aren’t very demanding.

The FEBCO 765 is a pressure vacuum breaker which consists of a spring-loaded check and a loaded air inlet valve, all independent of one another. The 765 has been approved by the American Society of Sanitary Engineers and the Foundation for Cross Connection Control and Hydraulic Research. Those agencies set forth minimum specifications for all backflow preventers and those specifications include flow characteristics, pressure loss, markings, structural integrity, design specifications, design of the waterway, clearances, tapping and threading, air release and much, much more.  In fact, the FEBCO 765 undergoes a one-year field test to verify that it will function under the exact conditions it was designed to prevent.

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It is sometimes possible to adjust the pressure at the PRV to lower it. However, if the PRV is more than a few years old, this is often risky. By attempting to adjust it, it may stop working altogether or even start leaking.

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Repetitive knocking or consistent humming noises that seem to come from the walls when you run different fixtures are often caused by a failed PRV.

Few things are as essential as plumbing fixtures when maintaining and enhancing your home’s comfort. These fixtures help keep the water flowing where it’s needed

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The FEBCO 765 is the latest innovation by FEBCO,  a company with roots that reach back to 1924 when Fred Reinecke Sr. and family founded the company to manufacture backflow preventers and automatic sprinkler systems for the irrigation industry.  The growth since that time has covered the entire backflow prevention industry.

Hopefully, this information helps you out. If you have any questions, feel free to give Legacy Plumbing a call. We are happy to help in any way we can.

If your water pressure doesn’t seem to be as strong as it once was or you notice a significant loss of pressure when you use more than one fixture at the same time, your pressure reducing valve may be bad. If you don’t usually use different tubs and showers at the same time, you may first notice this issue when you have guests over and the demand is higher than normal.

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The FEBCO 765 may only be installed by a licensed and certified backflow device installer.  City Backflow Testing is one such backflow installer and tester, offering affordable backflow testing to many cities in Texas, from Grapevine to Southlake and all points in-between.  Just like the FEBCO 765 is the industry standard with regards to backflow preventers, so too is City Backflow Testing the industry standard for reliable and professional backflow testing.

The FEBCO excellence comes from a team of experienced engineers who combine scientific theory with practice and the result is top quality, high performance backflow devices that have become the industry standard, so much so that many cities across America now require that only FEBCO products be used for their water distribution systems to prevent the contamination of those water distribution systems.

Sometimes the valve itself will burst and start leaking. If you have a muddy or flooded spot in the flower bed, this could be the reason.

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On homes built after 2010, it is more common to find them in other places. Check in the garage for a wall panel with plumbing pipes inside. We have also located them in the walls under stairs, closets, and laundry rooms.

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Backflow preventers such as the FEBCO 765 are designed to protect the potable water supply from contamination caused by backflow.  This contamination can be caused by a number of situations, from a reversal of water pressure to back siphonage or a sudden decrease in pressure due to major fires nearby.  Although most of the American public is unaware of this potential hazard, it is quite common.  Thus, the need for, and the use of, products like the FEBCO 765.

In this article, your local plumbing experts explain the symptoms of a bad pressure reducing valve that may need to be replaced.

The Pressure Reducing Valve (PRV) protects your home from water pressure that is higher than what the plumbing fixtures in your home were designed to handle. By code, water pressure inside your house should be between 40-80 pounds per square inch (psi). If the water pressure delivered by your water supplier is higher than that, a pressure reducing valve is installed on the main water line serving the home to bring this down to an appropriate level.

These noises can also be caused by other things as well, such as a failed expansion tank, quick closing solenoid valves on new appliances, bad vacuum breakers, faulty valves with loose washers, worn-out toilets fill valves, improperly strapped pipes, etc.

Legacy Plumbing’s service area is on the north side of the Dallas Metroplex. Most of the PRVs around here are located on the main water line right where it comes up under the perimeter of the home in the front flower bed.

Although PRV issues usually happen slowly, sometimes problems can crop up overnight. If you have no water pressure throughout the house on both the hot and cold, your PRV may be bad. Make sure you check both the hot and cold water. If there is good pressure on the cold and not the hot it may be an issue with the water heater or the fixture itself.