Poolcare Orlando: Chlorinator Leaking


Chlorinator Lid Leaking

Chlorinator Lid Leaking

Do you have a leak on your pool chlorinator?  This is a common problem that can be solved by checking your chlorinator o-ring.  This Hayward chlorinator is notorious for leaking around the lid once the o-ring fails.  If you have a chlorinator that looks like this expect to change this o-ring once every 6 months.

To check & change the o-ring:

1. Take the lid off the chlorinator (sometimes it will be locked down and you will need a big pipe wrench to move it.)
2. On the top of the lid is a little disk. Use a flathead screwdriver to remove the disk and you will see a plastic nut underneath it.
3. Use the same flathead screwdriver to remove the nut.
4. Separate the cover from the cover cap.  This may be difficult if the o-ring gets jammed between the two pieces.  You may need to use the screwdriver to pry them apart.  Be careful not to break the plastic pieces.
5. Check the o-ring for cracks and make sure that it sits snug around the cover.
6. Replace & lubricate the o-ring with a silicone based lubricant. Do this once a month or when the cover becomes hard to unscrew.

If you have a Hayward chlorinator I would suggest buying a couple of these o-rings at a time because you will be changing this time and time again.

We install chlorinators but I steer clear of Hayward chlorinators because they give our clients more trouble than some other models that are out there.

A couple of my favorite brands are the Rainbow Lifeguard chlorinator and a beefier model made by a company called CMP that are great for any poolcare Orlando needs.


  1. Catherine says:

    Thank you so much for you advice. You are the first to walk me through the process. I didn’t even know that the disc on the top came off.

    Thanks again

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