In Deck Auto Fill Failure: Constant High Water Level - How to Fix with the Float Tec Float Valve

If you notice that your pool’s water level is constantly high, and you have on In-Deck Auto-Fill, chances are the float valve inside has failed. Over time the plastic will wear out and it will develop a slight hole in it. The extra weight makes it constantly float low in the basin, just like what happens in the back of your toilet at home when the plastic float fails. The good news is that it is an easy repair and one you can do in less than five minutes.

I am featuring the Float Tec Float Valve Control here in this video because of the great design of this product. You can learn more and purchase it on their website here: https://floatvalvetec.com/
Here is more about the Float Tec Float Valve from their website:

“Why Float Tec ?

Save Money
Decrease the number of tile cleanings and the amount of times you refill your pool by accumulating multiple hard water lines before cleaning.

Avoid replacing damaged tile due to heavy calcium build up in one spot.
Bypass the need to replace cut-rate float valves.

Save Water
Reduce the amount of times you drain your pool by decreasing tile cleanings.

Save time
No tools needed.
One hand operation.
Accurate water level the first time with easy adjustment and over size float.”

The main thing when you are replacing the float is to turn the water off to the auto-fill. You may have trouble finding the valve that shuts off the water to the auto-fill but most of the time it is directly behind the auto-fill or in the equipment area. If you can’t locate the valve you may need to turn off the main to the house from the street. A special tool is required in some areas so make sure you have the right tool to turn off the main to the house. In newer homes the main should have a shut off at the front hose spigot or sometimes in the garage. You cannot change it unless you turn the water off so NEVER remove the old broken one unless the water is off, or you will have a continuous water flow out of the auto-fill.

The float is just threaded in and should be hand tight. Simply turn it counter-clockwise to unscrew it and remove it. Note that there are two sizes of these float valves, one 3/8” and one ½” so make sure before you start you have the right size replacement float. Currently Float Tec only makes the 3/8” version but you can contact them for a ½” reducer adapter for your particular auto-fill if needed.

Once you replace the float you may have to wait a week or two before adjusting the float as the water level may be very high in the pool at the time of replacement. The really nice thing about the Float Tec valve is the adjustment knob which sits right on top which you can easily turn to adjust the water level. This allows you to fine tune the water level in your pool and to date this is the best replacement float on the market.

If you notice your pool’s water level is very high and you have an In-Deck Auto-Fill, replacing the float will solve the issue in most cases. There is one exception and that is if the water pressure to your house is out of balance and it is extremely high. This can sometimes activate the float valve mechanism and it will add water all day long as the high-water pressure forces open the valve. A plumber can check your home’s Water Pressure Reducing Valve and replace it if needed.

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