Usage Tips:[Specific Application]The 619154 Thermocouple is compatible with Norcold N300 N300.3 Series RV Refrigerators. Fits both the 2 way and 3 way model Norcold N300 refrigerators. [Strong Function]The Thermocouple is to signal the gas valve that the pilot is lit so it will remain open. It's a safety device. It detects the heat of the flame and generates the voltage that keeps the gas flowing. [Great Feature]The 619154 Thermocouple is used to convert heat energy from the pilot light into an electrical current, which opens the solenoid valve and allows gas to flow to the appliance [Superior Material]It is made of Material. With strong durability, corrosion resistance and anti-rust performance. Better quality allows the items to be used for a longer time. Colour:As Shown Material:Metal Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Thermocouple kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.