Need to find thermostat for hot water tank for hamilton beach water cooler

Sounds like the thermostat is your problem. That would be the only thing that will allow the unit to continually run.

Replace Thermostat and find the model number, Sea Breeze

The two round "devices" on the tank are the operational thermostat, and the "safety" overtemp thermostat. It is usually the "operational" thermostat that fails, since it has to cycle a lot and arc internally. It is usually about 120-140 degrees F., and the safety thermostat significantly higher.

try to check the heat filament or thermostat heater, maybe it is busted that why it cannot dispense hot water, there water source is came only to one tab and it interconnected inside

cold input & hot out put, facing the front of the water tank it is usually the rear which is hot out out.

The water selector valve is fautly and needs to either be stripped and cleaned or replaced.

I just put about six cups of white vinegar (not diluted) into the reservoir and let it sit for about an hour. Then I emptied that out and flushed a few pitchers of very hot water through. It seems to have worked quite well.

hello chattie wm,
Welcome

You said, the hot water side stop working,no hot water

This is usually one of five things.

1. Check that the power is on at the breaker and the cooler has the proper light lit up that shows you it is on.
2. If you have had it a while, (year or more) it may be that the heating element is covered

with minerals from the water which if it's hard water can happen too!

3.The heating element may be bad and need to be replaced.

4.The thermostat may be bad.

a.How old is it ?
b. What did it cost to buy?

You do not want to spend more than half what you payed for it to repair it!
Let me know how it goes and what you decide.

Thank you for using fixya,
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you need to purge the air out of the "hot" side after placing the bottle on top. If not enough water is inside the chamber the water will boil.

thermostat is stuck. try buying a water cooler control from a local supply house.