Say goodbye to frost buildup in your fridges with this essential defrost heating kit Made from metal, it includes a temperature sensor and defrost thermostat for effective and efficient operation Great for anyone who wants to keep their fridges running smoothly and efficiently Perfect for use in both residential and commercial settings WR51X10055 can melt the ice and frost around the coil and store the food better WR55X10025 sensor is to send the current temperature readings to the control board WR50X10068 cut off the power when the defrost temperature reaches a certain level Enjoy peace of mind knowing that your fridges are always functioning at its best with this reliable defrost heating part