Choosing the Right Probe for Your Zodiac Expert 2019 pH Regulator

Hello, how can I determine which is the right probe for my Zodiac pH regulator? There are so many models. Thank you for your response.

Hello, do you know the model of your pH regulator? Can you send me a photo of the probe? No need to disassemble it.

It's the 2019 Zodiac Expert.

Okay, and a photo of the probe, is that possible?

I'm at work. I'll send it to you when I get home.

Thank you, because they have two versions.

Thank you.

You're welcome, feel free to contact us again! Have a great day.

Hi, here's the photo of the probe.

One moment.

This one

Okay great, thank you. Did they change the model?

Yes, before it was without threading and now it has threading.

Okay great, thank you for your answers. I will order it next month, thanks.

Thank you, have a great day.