The Y Adapter Cable is required to run additional meat probes with the Flame Boss 300 and Big Green EGG - EGG Genius. This Y Adapter Cable is not compatible with the Flame Boss 400 or 500.

• Use one Y Cable, one Pit Probe and two Meat Probes to monitor two meats.
• Use two Y Cables, one Pit Probe and three Meat Probes to monitor three meats

We reserve the right to ship either Flame Boss or Big Green EGG Y Adapter Cables. They are the same Y Adapters, just different packaging. Big Green EGG part number: 121387. Flame Boss Part number: FB T-Y.