Sometimes the top heating element gasket can become faulty and cause the lower element to leak and this will cause moisture to build up and short out the lower element.
Yes install it on the cold water line as close to the heater as possible.
bottom element is probably bad. another sign of this is that you run out of hot water fast.
You have a major electrical problem.. If a breaker trips more than once you need to leave it off and call an electrican.
Heater blower motor is defective and locked up, or possible short in the wiring.
If your having condensation at the bottom of the unit it could be that the bottom element has gone bad and when the cold water comes in and hits the warm tank it is condensating. Also if heating element has gone bad that could be a definite cause for the breaker to keep tripping.
It will keep the water hot as long as the electricity or gas is on. If it's going to be off more than a day, turn the breaker or gas valve off.
There is an electrical short to ground in the fan switch or in the blower motor itself.
There's a short in your main line going to your fuel heater.
Have somone hold a hot cup of water and blow it towards you. This will keep you a little warm. It would be bad if the person had bad breath.
could be head gasket problem. does your heater work? might need heater core , clogged up. do compression test. or bypass heater core and see if that works.
Yes, a water heater can freeze if exposed to extremely low temperatures. To prevent this, you can insulate the water heater and pipes, keep the area around the water heater warm, and allow a small amount of water to drip from a faucet to keep water flowing.
Your space heater may be tripping the breaker because it is drawing too much power and causing an overload on the circuit. This can happen if the heater is plugged into a circuit that is already handling a heavy load or if the heater itself is faulty. It is important to make sure the heater is plugged into a dedicated circuit and not sharing power with other high-wattage devices. If the issue persists, it may be a good idea to have the heater inspected by a professional.