(1) the gas is cut off; (2)the pilot light blew out and is not igniting the burner; (3)the thermostat is set too low for your requirements; (3)the thermocoupler is bad; (4)the pressure relief valve is stuck in the open position and discharging the hot water. 1,2,& 3 are self-explanatory. The thermocoupler is a bullet-shaped sensor located near the burner - it senses the temperature and turns the gas on or off to the burner according to the setting of the thermostat. The pressure relief valve is usually located at the top of the water heater on the hot water line and leads to the floor and under the house (separate from regular service hot water line) - it opens when the temperature of the water is too hot and discharges the hot water to keep the heater tank from over-heating and exploding. Hope this helps. Answer one is very good, but there is one error which requires correction. The thermocouple does NOT, as described in answer one, act as a demand thermostat for turning the main burner gas ON and OFF. The demand thermostat probe extends from the back of the gas control valve INTO the water INSIDE the heater tank. On the other hand, the thermocouple is located so as to be IN THE PILOT FLAME. Its purpose is to determine the presense of the pilot flame, and if the pilot flame goes out, the thermocouple will cool down, at which time, it TURNS OFF the gas TO THE PILOT. This is a safety feature designed to prevent the continued release of gas, which which if gaining contact with an open flame or any spark, would result in a devastating explosion.j3h.
A common cause of smelly hot water is a build-up of bacteria in the water heater. This can lead to a rotten egg or sulfur-like smell. Flushing the water heater and cleaning the tank can help address this issue.
A gas water heater doesn't use electricity to heat water like an electric water heater does. The electrical connection is typically for powering the ignition system or other electronic components on the gas water heater. The 30 amp breaker with 220 volts is required to safely supply power to these components.
A water heater pilot light typically uses about 3-5 cubic feet of gas per day.
Gas heats water in a water heater by burning natural gas in a combustion chamber, which creates heat. This heat is transferred to a heat exchanger, where it warms up the water flowing through the pipes. The hot water is then stored in the tank until it is needed for use.
As you say you had to reset the circuit breakers, the water heater's heating element may have "died" by shorting to Ground or Earth. This could be the reason why its circuit's breakers tripped to cut off the power. Time to buy a new water heater...? <><><> Typically, you should be able to tell a difference as quick as 15 minutes or so, but it may take well over an hour or two for it to reach "operating temperature". Some electric hot water heaters, you can even hear them as they heat, and you typically can the gas ones. Your biggest variables, assuming you're not using hot water as it heats, is the amount of water that is in the heater, as well as the heating power the heater puts out into the water. Electrics are practically 100% efficient, but gas ones are not even close, but they do operate at higher heater temps and can heat the water faster. <><><> It takes about an hour for a fifty gallon electric water heater to heat up.
Your gas water heater may not be producing hot water due to issues such as a pilot light going out, a faulty thermocouple, a malfunctioning gas valve, sediment buildup in the tank, or a broken heating element. It is recommended to have a professional plumber inspect and repair the water heater to determine the exact cause of the problem.
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The gas valve for the water heater should be turned on when you need hot water and off when you do not need hot water.
I am considering buying a gas water heater. How does a gas water heater work?
Yes, it is recommended to turn off the gas water heater when the water is turned off to prevent damage to the heater and ensure safety.
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No, you only need gas for a gas water heater.
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No, they should be underneath.
Your water heater may smell like gas due to a gas leak in the system. Gas leaks can be dangerous and should be addressed immediately by a professional to prevent any potential hazards.
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