What could cause model L-C330 mn stopped sending hot water but heater is working.

SOURCE: Our water heater is still working after 32 years. Model 22-40-2

not a record, I actually just did a chang out in Annapolis Maryland the had just the 2 wires running into the unit. you know the way houses used to be run back in the 40's just wires no casings, they screwed right to the back of the water heat to 2 screws ans wing nuts, it was a rheem electric

SOURCE: My Rheem hot water heater stopped putting out hot

If you are not familiar with the element, I would get someone that is familiar with one and have them do it. It's not something I would recommend you do based on your question. There's electrical, pressurized water tank, and a whole lot of water that may cause you to have a worse bad day.

SOURCE: My hot water will not get hot at all. Model

Your upper thermostat on the hot water tank may be shorting out causing your breaker to trip. Remove the outer panel door on the side of the hot water tank and test for power going to the elements. Also check for water as the tank may be leaking and causing the short

SOURCE: I have a 80 gallon Ge smartwater hot water heater

Normally no, but for a circuit breaker to activate, there has to be excessive current draw somewhere. Is the circuit breaker exclusive to the water heater? If it is then the heating element may have shoirted internaly. Fit a new element and restest. Don't forget to check the condition of your sacrifical annode too.

SOURCE: New hot water heater cause smelly hot water.

U can clorinate ur water heater 1 gallon will do it. But you should try changing the anode rod(to aluminum) or removing it first followed by a complete drain, purge and refill.