Bradford White Water Heater Error Code 4 Flash: How to Fix It

Q: What causes Bradford White water heater 4 flash error?

The 4 flash error is caused by water temperature exceeding 190°F, typically due to failed thermostats that don't shut off heating elements, faulty temperature sensors, or stuck heating elements that continue running when they shouldn't.

Q: Is it safe to use my water heater with 4 flash error?

No, never use a water heater showing 4 flash error. Water at 190°F+ can cause severe burns instantly and may damage the tank. Turn off power immediately and don't use hot water until the problem is fixed.

Q: How much does it cost to fix Bradford White 4 flash error?

DIY repairs typically cost $50-200 for replacement parts like thermostats or heating elements. Professional repair costs range from $200-500 depending on which components need replacement and local labor rates.

Q: Can I reset Bradford White 4 flash error without replacing parts?

You can try resetting the thermostats, but if the underlying cause (faulty thermostat, heating element, or sensor) isn't fixed, the error will return and create the same dangerous overheating condition.

Q: How do I prevent Bradford White 4 flash error in the future?

Regular maintenance including annual thermostat testing, checking temperature settings (keep at 120°F), flushing the tank yearly to remove sediment buildup, and replacing anode rods can help prevent component failures that lead to overheating.

Abstract

Bradford White water heater error code 4 flash indicates your tank water temperature has reached a dangerous 190°F or higher, triggering a safety shutdown. This is a critical safety issue that requires immediate attention to prevent scalding and potential tank damage.