Hey there, RV owners! If you're tired of your thermostat and AC not talking to each other, this 18-foot communication cable and in-line coupler kit is exactly what you need. Made specifically for Dometic systems, especially those with heat pumps like the Brisk II 15000 rooftop unit, this combo gets everything communicating again in no time. Just plug and play—no special tools or tech skills required. The 3106614.013 cable connects straight to your thermostat, and the 3313107.037 coupler links it right up to the control board. It's a must-have if you've been dealing with random temperature swings or a totally unresponsive AC. Keep your RV cozy in winter and cool in summer without the headache. Perfect for motorhomes, campers, and fifth wheels with Dometic climate systems. Installation's a breeze, and you'll be back to comfortable travels in minutes. Works like a charm to restore communication between your thermostat and air conditioner—no more guessing games with the temperature! Length: 18 feet. Compatible with Dometic Brisk II 15000 and similar models with heat pump setups. Includes both cable and coupler in one handy set. Get ready to enjoy reliable climate control on all your road trips!