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Dometic RV motorhome thermostat 5-Button Duo-Therm Comfort Control system with digital LCD screen. Use this thermostat control system to operate your RV motorhome heat pump, A/C, fan, and other functions for each zone.
Dimensions are 4.5 inches by 3.5 inches. The original Dometic part number is 3109228.001; the new Dometic number is 9108554303. Newmar number 45935. Used in many makes and models of motorhomes / Recreational Vehicles / RVs.
** This is NOT a suitable replacement for the 4-button system.