Before a system completely stops, it often shows warning signs. Recognizing them early prevents unexpected surprises and allows you to schedule hot water heater repair before total failure. Water turning lukewarm instead of hot. Rust-colored water flowing from taps. Strange popping or banging noises in the tank. Damp spots around the unit’s base. https://bluepacificcapecod.com/water-heater-troubleshooting-why-no-hot-water-at-home/