Compatibility and Replacement of the Probe for the AQUA HC 300 fd pH Controller

Client:
Hello
I have a pH regulator of type AQUA HC 300 fd pH and I need to replace the probe. Is the PH-1-3-1936 Reference probe compatible with my device and can you suggest another model?
Thank you

Technical Advisor:
Hello
Send me a photo of your current probe, no need to dismantle it, I will check.

Client:
Thank you for your prompt response
I am not at home, I will send you the photo on Friday
Have a great day

Technical Advisor:
Okay, no problem. See you soon.