How to replace a DE Filter Body O-Ring

Written by:  Danny Rhodehamel
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If your D.E. filter is leaking from the seam where the two halves of your filter meet then you may have a bad filter body O-ring. Another sign may be that you hear a gurgling or sucking sound from the filter. This is a moderately easy fix and this guide will take you step by step through replacing it. Some steps may vary depending on your filter make and model.

Tips & Warnings

Video

Step by Step

Step 1

Tools you will need: 1) Wrench - medium 2) Rubber Mallet or Ball Peen Hammer - medium 3) Pliers 4) Dust mask to protect yourself from any dangerous inhalation of particles

Step 2
d.e. filter body o-ring

First, before disassembling your filter or changing the valve lever position turn off your pool pump to prevent any excessive water loss or safety hazards.

Step 3
d.e. filter body gasket

Now that your water is no longer circulating through your filter system, switch your valve to the "Closed" position. When changing your valve setting be sure to always turn the lever in the same direction. By using clockwise and counter clockwise turns of the lever you may cause unseating of the valve key gasket. This unseating may cause leakage from your waste port.

Step 4
filter body o-ring

Before disassembling the body of your filter you will want to drain the system of its water. Locate the drain plug for your D.E. filter it will be on the lower portion of the filter. In our model it is located here. Wait until the pool filter has completely drained before moving forward.

Step 5
d.e. filter tank o-ring

Now that your water has been drained from your pool filter the next step will be to remove the locking clamp. On our filter model it is located here.

Step 6
hayward d.e. filter body o-ring

This clamp assembly is held together by a nut and bolt set up (Your filter clamp may vary from this model.)

Step 7
pentair d.e. filter body o-ring

To remove the nut you will need pliers to loosen the nut at first, at a certain point you should be able to hand turn it until it is off.

Step 8
sta rite d.e. filter body o-ring

once the nut is extracted you will be able to swing the bolt out and over to the opposite side and out of his guide.

Step 9
de filter tank gasket

the next bolts to loosen will be the ones on the back of the filter that hinge the two pieces of the clamp together.

Step 10

Again, loosen these with pliers until the metal flange can jiggle. it would be best not to remove these bolts completely as they can be hard to reassemble.

Step 11
de filter tank o-ring

The clamp more than likely will still be tightly bound to the D.E. filter at this point. Take a rubber mallet and gently the two pieces in front apart until they release from the body.

Step 12
hwo do i change my de filter body o-ring

After removing the clamp from the body of the D.E. pool filter the two halves will more than likely be sealed together.

Step 13
repairing a de filter

A way of releasing its grip is by tamping it with a rubber mallet preferably or very gently with a regular hammer. be careful not to strike filter too hard as you may damage the shell.

Step 14

After tamping the entire circumference once or twice you should be able to lift the top half off by using the handles of the filter.

Step 15
de filter gasket replacement

On the lip of the bottom half you will find the D.E. Filter Body O-ring. Remove the O-ring and discard.

Step 16
how to change a d.e. filter gasket

Before placing the new gasket in its place, clean out any debris or dirt that may have settled in the groove.

Step 17
how to change a d.e. filter o-ring

After cleaning the groove of the gasket, use a lubricant on the groove to ensure a proper seal on the gasket is applied. Magic Lube O-ring part #: 630

Step 18
pentair fns plus filter body o-ring

Now to place the new pool filter O-ring in the into the gasket groove. With the size of the O-ring you may need another person to help secure it all down into place.

Step 19
d.e. filter tank

Now the gasket has been properly seated into its groove, re-install the top half of the shell.

Step 20
hayward pro grid filter body o-ring

Now to install the new clamp assembly. Firstly, have the bolt in place before attempting to install the clamp it should look as pictured.

Step 21
jacuzzi d.e. filter body o-ring

With the bolt in place wrap the clamp around the body seam.

Step 22
jandy dev series body o-ring

While holding these two pieces together begin to screw the nut onto the clamp bolt, do so until tight. You will require pliers or a wrench to do this step.

Step 23
d.e. filter part replacement

And last, you must re-tighten the bolts on the back of the clamp.

Step 24
how to replace d e filter o-rings and gaskets

Check for any loose parts or obvious unsecure pieces, if you do not then you can proceed restarting your pool. Before starting your pump open your valve to the "Filter" position in the same direction you used to close it. Next you can turn on your pump and continue to enjoy your pool.

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Please Note:

Inyo Pool Products is not responsible for any injury or damaged equipment
while using our guides. Using our guides is doing so at your own risk.
These guides are suggested use of your pool or spa equipment and may vary
depending on which product you are using.