Tag: water heater won't turn on

Why Won't My Hot Water Heater Kick On? 7 Common Causes and How to Fix Them

• November 8, 2025
• Gareth Winslow

Your hot water heater won't kick on? It's usually not a broken unit-more likely a tripped breaker, dead thermostat, or sediment buildup. Here are the 7 most common fixes you can try yourself.