Enzotech Sapphire

[Gir92]

Hello everyone

I recently got an offer for an enzo tech sapphire cpu cooler, bnib for 20 bucks. Should I take the offer? I have heard horror stories about the delrin top being cracked over time. Has this been fixed or a cause been pointed out?

I currently have an apogee gt without a backplate.

Oh and I am also in the process of making a water chiller in the next month or so, so I'm wondering if the apogee gt/sapphire block can withstand sub zero temperatures. It won't be too cold, probably around -20C

Also, how will my pumps handle sub zero? It will be in two separate loops, one with a D-tek db-1 and a laing D5 vario.