Time to move onto your next home repair project. The thermostats are closely related to the '' and testing and checking should inolve both components. The thermocouple is responsible for sensing that the pilot light is lit and triggering the gas control valve to continue providing gas. When this part has gone bad, replacing it is usually a more efficient and cost-effective option than repair. If there is a fuse instead of a circuit breaker, pull the fuse out. Before you relight a pilot light or perform repairs on your own, make sure that you are comfortable working with gas and that there arent strong gas smells around your unit. Did you find what you need? However, replacing the heat limiter may not correct the original problem.
If the electricity is still present, the voltage sensor will sound a warning alarm as it flashes. When the lower thermostat senses the water is too cool it turns on the lower element. Electric Water Heater Thermostat Replacement Step 1 Always disconnect the power or shut off the breaker before doing any work on a water heater. An obvious reason for interest in electric water heater thermostats is the temperature of your hot water. What is likely happening to cause it to have heating problems? To replace the thermostat you need to replace the gas valve. Your multimeter should read 240 volts.
Ask your installer to address these issues before installation, so you don't have any surprises! For the sake of safety, use a voltage meter to make certain the power is off. To test, you will need a multimeter and screwdriver. Raising the temperature can cause burns and scalds and should only be done using extreme caution. How A Thermostat Works The temperature inside your water heater is controlled by a thermostat, and most residential water heaters are dual thermostat units. A good portion of the water heaters sold on the market today use both an upper and lower element. Gently pry out one side of the bracket while twisting that side of the thermostat upwards to prevent the bracket from locking in place again. Unsnap the mounting clips at the bottom of the thermostat.
Threaded base made of zinc-plated carbon steel. Make sure the breaker is shut off and taped or locked in the off position. For each element, the unit requires a matching thermostat, so dual element units have two thermostats, and single element models only one. There may be no need for repairs, if this is the case. The ears of the new one should snap into place. Remove the wires from behind each screw.
Hot water from you tank at the highest setting can scald you and cause severe burns in less than a second. Connect each of the two circuit wires to the appropriate screw terminal on the thermostat, matching the wiring of the original thermostat. Step 4 If the bracket was damaged during thermostat removal, you can get a replacement bracket as well. The upper one has the high limit which is non-adjustable and must be reset manually when it trips. Hot water heater thermostats on gas appliances are actually part of the gas control valve assembly.
Take note that there are some ways on how to protect yourself and others from accidental burns. A gas unit works by way of a gas flame while an electric one works using electric elements, or coils. He holds a bachelor's degree from the University of Arkansas. Be especially careful if you have children in the home. Replace this inexpensive tube and you will have hot water again!. We gave you a link to find instructions on doing that. See the section on 'Cooling Down a Hot Water Tank' in the article '' for information on lowering the water temperature in the tank.
On a , you have to replace the entire gas control valve because the thermostat is built into it. In most cases, a high watt density element will be the same type that came with your original water heater. Odds are it will be very short or non existent. You will have colored wires surrounding the thermostat, separate them to reach it. Remove both and use the voltmeter to check for any live points along the inside of the panel to make sure that the heater is grounded.
Take the original valve with you to the hardware or gas supply store to get a matching replacement. Another cause of overheating is water that has a. Gently slide out the thermostat. Replacing the thermostat on your electric hot water heater can have you singing in the shower again in no time. The tank will likely be hot. A gas one will cost more to install and replace, though it wont use as much energy over time as an electric unit.
To replace a thermostat, you will need to remove the old one. Remove the reinforcing bracket and throw it away. Each heating element is connected to its own thermostat. They will help you to find the right equipment for your home and their skills will lend to an accurate and timely installation. Temperature Setting The water heater thermostat has a dial indicator that allows you to control the temperature of the water. Troubleshooting Electric Water Heater Thermostats Is it safe to work on electric water heaters? He is a certified Master Naturalist, regularly monitors stream water quality and is the editor of freshare. When you click these links to visit eBay, we earn an affiliate commission.
When you are adjusting the thermostat on your electric hot water heater, it is advised that you set both thermostats to about the exact same temperature, or simply set the top element to a slightly lower temperature, so the bottommost element activates first. Generally, the temperature range on both gas and electric water heaters differs, but one common thing about them is that they both have thermostats that are factory pre-set, which is usually at 120 F, so as to protect its users from hot scalding water. The thermostats regulate the temperature of the water by turning off and on the heating elements. The steps for replacing a bad thermostat are very different for gas and electric water heaters. Often times, the links to eBay are in an article that reviews and promotes the product or store that is linked to. Typically, 120 degrees is sufficient for most hot water needs. The temperature of the water inside the tank may rise above safe levels.