Tankless Water Heater Error Code 12: Causes, Troubleshooting, and Preventative Tips
Encountering error code 12 on your tankless water heater can be frustrating, especially when cold water hits unexpectedly. This article explores the causes behind this flow detection issue, from clogged filters to installation errors. It also offers troubleshooting tips, preventative maintenance strategies, and signs to monitor for smoother operation. Learn how to keep your water heater performing at its best, ensuring a constant flow of hot water when you need it.