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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Whirlpool Water Heater has shut down. Model N40T121-403.

Customer Question

Whirlpool Water Heater has shut down. Model N40T121-403. Controller showing 4 'flashes' signalling an overheat situation? Original condition showed no flashes, meaning 'pilot out'. I have, I think re-lit the pilot, but now I get the 4 flash signal. Any suggestions about what else I can try? Is there a way I can reset to start over?
Ken Dusenberry
Submitted: 3 months ago.
Category: HVAC
Expert:  Rick replied 3 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

I hate to be the bearer of bad news but you're only option is to replace the gas control valve. This is a permanent failure. If the unit is less than 6 years old it may be under warranty. If so then Whirlpool should give you a new control.

Expert:  Rick replied 3 months ago.

You can call Whirlpool tomorrow at(###) ###-#### *****'ll want model & serial number as well as date of install.