Functionality of the probe holder cap joint: Sealing and Stability.

Client :
Is there a seal at the top of the probe holder cap?

Technical Advisor :
Yes, it has its seal.

Client :
Thank you for your response. I have a second question: does this seal tighten the probe when inserted to prevent water leakage?

Technical Advisor :
That's what it's designed for!

Client :
Does this seal tighten the probe when screwed in to prevent it from moving?

Technical Advisor :
Yes.