The Dometic Furnace Digital Thermostat for RVs gives you effortless control of the temperature in your space. It's simple, user-friendly design allows you to quickly set your furnace to keep you warm and comfortable. It is heat temperature control only. Please note this is a replacement skew for the following: • Item Number: 42776 T-STAT HEAT ONLY WH MPN- 38453• Item Number: 104127 THERM HEAT ONLY BL MPN- 32300Specs: Model: DF Thermostats Dimensions: depth 4 " Dimensions: height 1.5 " Dimensions: width 4 " Parcel weight 1 lbs Color: White Designed for simple operation Trusted & reliable performance | Dometic RV Furnace Digital Thermostat (Heat Only)