Water heater tripping breaker. Troubleshoot water heater circuit Findings: AC breaker was faulty and was overrated AC breaker was overrated Breaker was heating up from A/C breaker above it Resolution: Replaced breaker in panel and disconnect with a 20 amp breaker Replaced breaker in panel and disconnect with a 20 amp breaker Replaced breaker in panel and disconnect with a 30 amp breaker