Sump Pump

Is your sump pump running constantly or water flowing back? Diagnose and fix sump pump check valve problems fast with this step-by-step guide.

Battery backup sump pump beeping, not charging, or not pumping? Match the alarm to safe checks, battery guidance, and the right next step.

Separate a stuck sump pump float from a switch or pumping fault. Check visible clearance, find model-specific settings, and know when to call for service.

A humming sump pump may be stalled or unable to discharge water. Record the water level, flow and trip pattern, then choose model-specific service checks.

Is your sump pump running constantly? Learn the top causes—float switch, check valve, liner size—and step-by-step fixes to stop it fast.

Is your sump pump not turning on? Follow our step-by-step troubleshooting guide to diagnose and fix the most common causes fast.

Distinguish a check-valve thump from grinding, humming, or rapid cycling. Record whether the pump removes water and choose a safe next step.