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  • Works well but small internal leakage

    posted by Bigjove on 07/10/2018

    Impression:Nice shot for the price;

    21
    Pros:
    + Accurately measures water temperature (<0.5degC deviation @ 40degC).
    + Very easy to install, just unscrew existing tube and put it in between.

    Cons:
    - small internal leakage. I opened it with a hex screwdriver and first put Vaseline onto the O-ring. But it kept on leaking after mounting it back. So I removed the existing O-ring and replaced it by another one with grease and a thicker cross-section, but to no avail. Basically an O-ring is designed to be mounted in a groove and is compressed during its assembly between two parts. But here it's not really compressed since it sits on the side, so I think it might be a design flaw.

    Well, the leak is not really substantial, so I'll keep using it, but it's a pity a small design/engineering rethinking would have made it perfect.

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