Learn how to replace the heater for industrial chiller CWFL-6000 in just a few easy steps! Our video tutorial shows you exactly what to do. Click to watch this video!First, remove the air filters on both sides. Use a hex key to unscrew the upper sheet metal and remove it. This is where the heater is. Use a wrench to unscrew its cover. Pull out the heater. Unscrew the cover of the water temp probe and remove the probe. Use a cross screwdriver to remove the screws on both sides of the top of the water tank. Remove the water tank cover. Use a wrench to unscrew the black plastic nut and remove the black plastic connector. Remove the silicone ring from the connector. Replace the old black connector with a new one. Install the silicone ring and components from the inside of the water tank to the outside. Mind the up and down directions. Install the black plastic nut and tighten it with a wrench. Install the heating rod in the lower hole and the water temp probe in the upper hole. Tighten them and install the sheet metal in order. The whole process is completed.