Pressure Limiting Valves and Why You Need One

Ever had leaky pipes, noisy plumbing or frequent appliance breakdowns at home? Excessively high water pressure might be the (unwitting) mastermind behind it all, which is where pressure-limiting valves become a necessity.

Many homeowners simply don’t appreciate the extent of damage that high water pressure can cause to plumbing systems, hot water units and other appliances. Without regulation of the valves pressure, the strain can lead to costly repairs and shorten the life of your home’s vital systems. This is where pressure limiting valves become so important, so let’s take a closer look.

So … What is a Pressure Limiting Valve?

A pressure limiting valve (PLV) is a vital device that protects your home’s plumbing system from excessive water pressure. It reduces the incoming water pressure to a safe level before it gets to your pipes, appliances and hot water system.

When water enters your property, the valve lowers the maximum static pressure so excessive force can’t cause leaks, bursts and wear on your plumbing. Typically installed near the water meter or main water supply line, the valve is adjustable so your plumber can set the pressure within a safe range for your home.

Installing a pressure limiting valve guarantees your property complies with Australian standards. It also keeps the maximum static pressure at a safe level and helps extend the life of your plumbing system by preventing pressure-related problems.

Signs You May Need a Pressure Limiting Valve

If you have high water pressure in your home, a pressure limiting valve might be just what you need to protect your plumbing and appliances. Here are some common signs you may need one installed:

• You hear excessive noise from your pipes, especially banging or rattling (this is known as water hammer).
• Leaks or burst pipes occur frequently, even if they seem minor.
• Your hot water system and other appliances or fixtures are under stress or failing sooner than expected.
• Your water meter and other plumbing fixtures are wearing out or requiring more maintenance than usual.
• The incoming water pressure is higher than recommended for your plumbing system (500 kilopascals in Australia).

If you experience any of these issues, installing a PLV will prevent costly repairs and extend the life of your plumbing.

Protecting Your Hot Water System and Appliances

As we well know, pressure limiting valves protect hot water systems and other household appliances from the effects of high water pressure. Without effective regulation, excessive water pressure can put a strain on your hot water tank and cause it to wear out faster or fail. That pressure can also damage other common household appliances like dishwashers and washing machines.

By installing a pressure limiting valve you reduce the risk of leaks, bursts and costly repairs. It keeps your water pressure within a safe range, extends the life of your hot water system, appliances and overall plumbing system. This simple addition will save you money and hassle down the track.

Installation: Why You Need a Professional Plumber

Installing a pressure limiting valve is not a DIY job; you will need a licensed plumber. They will assess your plumbing system and determine the best location for the valve. More often than not, it’ll typically be near the water meter assemblies or main water supply line.

Correct installation keeps the valve set to the right pressure range for your home. This will effectively protect your pipes, hot water system and appliances from potential damage caused by high water pressure. A licensed plumber will also guarantee the installation meets Australian standards. That means you can have peace of mind your water pressure is regulated safely.

In the end, hiring a professional helps you to avoid costly mistakes and keep your plumbing system in top condition.

Pressure Limiting Valve Myths and Misconceptions

There are many myths about pressure limiting valves that can confuse homeowners. Here are the facts to help you make informed decisions about your plumbing. Here are a few common myths:

• Pressure limiting valves reduce water flow: In reality, they only control water pressure.
• All pressure valves are the same: There are actually different types – adjustable and fixed – to suit different water pressure requirements.
• They’re only for old homes: Even new homes can have high water pressure.

Now you know the facts about pressure limiting valves.

Protect Your Plumbing

Installing a pressure limiting valve is a simple but important step in protecting your home from the effects of high water pressure. By regulating the incoming water pressure, these valves protect your plumbing systems and appliances from severe damage.

With the added bonus of meeting Australian standards, a pressure limiting valve will keep your water pressure within a safe range, reduce stress on your pipes and extend the life of your fixtures. Get your plumber to install a pressure limiting valve and have peace of mind for your home.

Please note: This information is provided for advice purposes only. Regulations differ from state to state, so please consult your local authorities or an industry professional before proceeding with any work. See our Terms & Conditions here.