Start with the identifier: part 16-0868-21 is the Txv replacement used during ice machine service. Match the part number and visual configuration before ordering. Compare the old part to the replacement, paying attention to connector orientation, mounting points, and sealing surfaces. If the issue is intermittent, look for vibration-related wear marks and connectors that shift under load. A new Txv often clears repeat failure issues caused by wear or damage. Recheck fasteners and connectors after the first run-in cycle to confirm everything remains tight. Recheck fasteners and connectors after the first run-in cycle to confirm everything remains tight. A correct-fit part improves reliability and prevents small issues from becoming bigger failures. This replacement component supports normal operation when the original part can’t be reused. This replacement component supports normal operation when the original part can’t be reused. Common complaints include worn part issues, repeat failure, or poor fitment. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair.