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Pressure Regulator Valves: What Are They And Why Do You Need Them

by | Apr 25, 2019 | General Plumbing, Piping and Waterlines

Pressure Regulator Valves: What Are They And Why Do You Need Them
Every home has a pressure regulator valves (PRV), also known as a solenoid valve, even if you don’t know where yours is. Water pressure reducing valves are in every building, manufacturing plant and commercial business. They automatically reduce the pressure coming into the building from the water supply main so that its a more sensible, lower pressure.  

Why You Need Them

If you have high water pressure in your home, you’re wasting water. This translates to higher water bills. Water companies charge based water consumption and for the disposal of wastewater. Water pressure reducing valves are beneficial since they help save water. If your water system is at 150psi, it’s wasting twice as much water than at 50psi (which is normal). Plus, less water flowing through a system means you’ll be using less energy to heat it. So water pressure valves can also help save you money on your heating bill. When there’s a reduction in a community’s wastewater treatment load, there can be huge cost benefits to your neighbors and the environment in general. Many water companies will prorate sewer usage fees based on what the water meter reads.  

Types of Water Pressure Valves

There are two types of water pressure valves to choose from: direct acting and pilot operated. They either use angle or globe style bodies. Direct acting water pressure valves are popular since they feature globe-style bodies that feature a heat-resistant, spring-loaded diaphragm that connects to the valve’s outlet that acts on a spring. This spring has a pre-set tension on the valve seat, along with a pressure equalizing mechanism for more precise water pressure control.  

Talk To A Professional

You’ll know if your home’s water pressure is too high if you hear banging or knocking noises coming from the plumbing system inside your walls. There may also be consistent leaks in fixtures and appliances like your bathroom sink or toilet. If it’s really bad, you might have burst water hoses and lines. This often happens with inlet lines to ice makers, washing machines, water filters and water softeners. If you suspect your business or home has high water pressure, call a professional to prevent severe water damage.