We have the 8289WS and these are the specs for our Dometic DM2652(LBFX) Refrigerator;
I believe it is 6 CF (but I haven't come across anything that actually says that yet - lol!)
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Linda & Paul
2014 Rockwood Signature Ultralight 8292WS
2016 Ford F-150 XLT 4X4 Supercab,
3.5L V-6 Ecoboost