The Dometic Duo-Therm CCC2 Control Box is a replacement for current generation Dometic air conditioners. The control board inside the control box is compatible with Dometic's Comfort Control Center 2 thermostats. This control box has wires for a 12V connection, furnace control, load shed, and 120V connection. Compatible with a 6-pin air conditioner plug, 3-pin heat strip plug (optional), outdoor temp sensor, indoor temp sensor, freeze control sensor, and 2x RJ-11 plug that goes to your thermostat and an additional A/C. CompatibilityAir Conditioners: B59530, B57915, B59516, 640310, 640315, 640316Thermostats: 3314082.000 and 3314082.011 Wires for 12V connection, furnace control, load shed, & 120V connection | Dometic Duo-Therm CCC2 Air Conditioner Control Box