A Comprehensive Guide to Hydrostatic Valves

Most pool owners don’t know what a hydrostatic valve is or why they need one.

The first place to start is with the hydrostatic valve if you have a swimming pool and want to know if it leaks. The hydrostatic valve lets water into the swimming pool when it drops below the skimmers. It can mean that your pool is not leaking through this location if there is no water.

Can A Pool Leak Through A Hydrostatic Valve?

A leaking hydrostatic relief valve can cause water loss in your pool. A professional can check and replace the valve without draining the pool. It can be quite a simple fix. Hydrostatic valve leak is only a problem for in-ground pools built from:

  • Concrete
  • Shotcrete (Gunite)
  • Fiberglass
Pool Leak Detection Company - If you suspect damage to your pool, contact (561)-570-1269 today for a scheduled pool repair and renovation company in your area to reach out to you.

A leak in this part could be due to corrosion or wear and tear on any moving parts inside. This device is where most leaks happen. It’s right next to where pressure builds up.

What Is A Hydrostatic Valve?

Pool Leak Detection - Knowing what a hydrostatic valve is or why you need one can help you with pool leak detection.

A hydrostatic valve is a pressure relief device on the bottom of a swimming pool. It prevents groundwater pressure from damaging the liner or lifting it out of the ground. The hydro-valve lets groundwater flow into the pool. Then it relieves the pressure on the liner.

It can put a lot of pressure on things like swimming pools when groundwater builds up. Groundwater pressure can push a swimming pool liner several feet out of the ground or even crack it.

One of the best ways to avoid these expensive problems is to put a hydrostatic valve at the pool’s bottom. This valve will open when the groundwater pressure goes above a set point. Then let water flow into the pool. The only result of the extra pressure would be dirty water in the pool or a small overflow. 

The hydro-valve lets water into the pool when it drops below the level of the skimmer.

This valve regulates the flow of water from your pump station. It happens through the distribution system and into your pool. The hydro-valve keeps the pressure consistent throughout. Water can enter through “leaks” when one side of these pipes doesn’t have enough pressure. Unchecked, this can create circulation difficulties and algal growth.

For prevention purposes, it is important to also learn where the common leaks are, so checking out our blog post https://sarasotapoolleakdetection.com/?p=148 can sure help!

What Causes Hydrostatic Valve Leaks?

The Problem with the Hydrostatic Valve is That It Will Corrode and Then Leak After Many Years

The problem with the hydrostatic valve is that, after many years, it will rust and start to leak. They are constantly exposed to harsh chemicals such as chlorine and bromine. These substances generate rust on your equipment leading to corrosion and leaks!

The good news? You don’t have to worry about getting rid of your expensive machinery yet! You can fix this issue by replacing your leaking hydrostatic valve. You can also replace them with new ones.

Harsh Chemicals and Constant Water Pressure Causes Deterioration of the Valve

The valve’s construction is plastic, so it can break down over time and become brittle. This can cause the valve to leak or even explode.

The best thing to do when you notice a leaky hydrostatic valve is to find another one immediately!

Is It Your Hydrostatic Valve Leaking?

Nelson Pool Company Sarasota - Click here to know more about hydrostatic valves and why you need one.

To make certain your hydrostatic valve hasn’t leaked, check for water at this Location for signs of a leak.

Check for water at this location for signs of a leak to ensure that your hydrostatic valve hasn’t leaked. Then there is a leak if you find water. You can also use an air pressure gauge to measure your system’s pressure. Then, you can compare this to the recommended MOP (maximum operating pressure). Then there have been no leaks if there is no sign of leakage or excessive wear and tear on your parts. You do not need to replace anything!

It means your pool is not leaking through this location if you find no water there. 

But, look elsewhere for the leak if you find water in this area. Ensure that it’s not coming from any other part of the system.

For more pool leak signs, click here!

Most Common Area for a Pool Leak to Occur

The most common area for a pool leak is the hydrostatic valve. If you notice that:

  • Your pool’s water level is low
  • An increase in leaks around your pool

One of these hydro-valves likely needs attention. Inspect before it causes trouble. To replace this piece of equipment yourself, you can;

Turn off power at both ends of your house (house wiring or breaker). This keeps anyone from getting harmed by turning on anything else while working on this task.

How To Replace a Hydrostatic Relief Valve

Sarasota Pool Leak Detection - Follow this link to know the steps to replace a hydrostatic relief valve.

Step 1.

Turn on the main drain valve to empty out the pool. Timeframes of several hours to days are possible.

Step 2.

Discover the main drain, remove the grate, and remove the dress ring. Take the grating out with a screwdriver.

Step 3.

Put the stem of the hydrostatic valve in place. A male threaded end on the valve usually threads into the stem’s female threaded hole. One can easily adjust this by hand.

Step 4.

Remove the drain grate and dress ring and replace them. Rest assured, and restore the water level in the pool.

Please include attribution to https://sarasotapoolleakdetection.com with this graphic.

Nelson Pool Company Sarasota - Follow this link to know the steps to replace a hydrostatic relief valve.

Final Thoughts

In conclusion, the hydrostatic valve is vital to your swimming pool system. It will damage your pool and could lead to more problems if it leaks. Ensure this spot is watertight and give it routine cleanings to avoid a significant issue.

Schedule an inspection of your hydrostatic valves by calling (561) 570-1269 immediately. Be sure they are in good working order. Or you can fill out this form, and we will have the best pool renovation company in your area contact you!

In case you can not view this video here, please click the link below to view Can A Hydrostatic Valve Leak? on my YouTube channel: https://www.youtube.com/watch?v=wBDmVr-60p4.

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