Just installed our brand new Gold Series Tall Tub built-in dishwasher. The model is WDF750SAYB. It took forever to get it to start shooting water (pump took forever to prime - ended up having to put water in bottom of dishwasher for it to start running correctly). But after we ran a cycle we were sitting in the living room and heard it start up again. There was no lights on, just had started running. Please advise. I believe we hooked up a 15 amp cord to the machine to plug in to our brand new, by code plug in under the sink.
SOURCE: How to install a new temp sensor Whirlpool electric water heater
The instructions for installing the sensor will probably included with the new part. Also, when you receive the part and actually see it, you will probably know where it will go. Sometimes, things like this happen even with new units. I have had bad thermocouples on brand new units right from the factory. It happens and unfortunately it happens to us sometimes. Good luck and if you get the part and still have trouble, contact them again. If you would have bought a GE (Rheem) unit, they would have sent a tech out to your house at no cost. I'm not a fan of Whirlpool water heaters.
SOURCE: I have a hot water heater that when running seems
The most likely problem is that the thermostats are set too high. Remove the thermostat cover plates and look to see where the thermostats are set. The range should be between 120F and 135F. Liquids expand with heat so the higher the temp, the high the pressure. Decrease the setting on the thermostat until the leak stops.
The other likely cause is a head of air trapped in the top of the tank. After drawing hot water, it wiill be displaced by the incoming cold makeup water. This will compress any air in the top of the tank. As the water heats, the air will heat and pressure will build - possibly causing the leak. You can purge the tank of air by opening the pressure relief valve until water comes out (which I assume that you have already tried).
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