The L017 is a direct replacement thermostat for the Truckfridge CR49, TF49, CR65, TF65, CR130 and TF130 model fridges. In the event that the fridge is not cooling properly, the L017 thermostat can be adjusted. See "6.3.1: Thermostat Adjustment for TF/CR49, TF/CR65 and TFCR130 model fridges" under "SUPPORT / PRODUCT MANUALS/Truckfridge Built-in User Manaul"" on the website at www.northernfridge.ca. www.northernfridge.ca