Feature 1Applicable Model: RV thermostat kit is fit for following air conditioners 457915, 459516, 459530, 540315,540316, 640310, 640310C, 640312, 640315, 640315C, 640316. 2OE Number: The part numbers for reference are 3316230.714, thermostat 3316250.712, control box 3313191.000, please confirm whether it is consistent with the OE you need. 3Convenient and Precise: The wall mount thermostat lets you easily control the heat in your mobile living space from your hand, providing precise temperature control to ensure your RV or trailer stays at a comfortable temperature. 4LCD Display with Backlight: Touch any input and the LCD display illuminates with a blue backlight so you can see the temperature, mode, and set points while in dim conditions. 5Easy to Set Up: The single zone wall thermostat is very easy to use and can be set to operate your non ducted or ducted rooftop air conditioning unit manually or automatically. Item Type: RV Thermostat with Control Board OE: 3316230.714, Thermostat (3316250.712), Control Box (3313191.000) Temperature Range: 40 to 90 degrees Fahrenheit Fitment: Thermostat Compatible with the following Air Conditioners: 457915, 459516, 459530, 540315,540316, 640310, 640310C, 640312, 640315, 640315C, 640316, 640316C, B57915, B59516, B59530, B79516, H540315, H540316. Package List 1 x RV Wall Thermostat 1 x Control Board 8 x Screws 2 x Terminals 2 x Wiring Harnesses 2 x Instruction Manuals Note Please double check the part number and fitment of your item, matching information is for reference only.