FAQ: Where To Buy Hot Water Heater Thermostat?

How much does a thermostat cost for a hot water heater?

The average thermostat replacement cost is between $100 and $300. Most other repairs are equally affordable. There are two main types: gas and electric.

Are hot water heater thermostats universal?

There are more than 50 brands of residential tank type electric water heaters in the U.S., most thermostats are interchangeable, however, read the product description carefully. If you must replace a thermostat its always a good idea to replace both thermostats at the same time.

Can you replace a thermostat on a water heater?

Electric Water Heater Thermostat Replacement To change thermostats, you will need to remove the access panel and safety cover (do this for both upper and lower access panels on dual element units). For the sake of safety, use a voltage meter to make certain the power is off. Remove the wires from the thermostat.

Are gas water heater thermostats interchangeable?

Water heater thermostats are not universal. Single element water heaters and dual element water heaters have some variances, and there are also differences in upper and lower thermostats in dual element water heaters. Therefore, one type of water heater thermostat cannot be interchanged for another type.

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Can a thermostat go bad on a hot water heater?

Usually, when the upper thermostat goes bad, you will have no hot water at all, while a bad lower thermostat makes itself known when there is only a small amount of hot water before the tap water goes cold. Once you have determined the faulty thermostat, you can replace it and have your hot water heater working again.

How long does a water heater thermostat last?

It would be nice to know when the time is right to replace your water before it springs a leak and causes an inconvenience or worse yet, damage to your home. Typically a residential hot water heater lasts between 6 and 13 years. Beyond 12 years, you are on borrowed time!

How do I know if my hot water heater thermostat is bad?

If you turn the hot water tap and cold water runs out, then the upper thermostat is damaged. But if the water is hot that becomes later becomes cold, then you have a damaged lower thermostat.

Should both thermostats on water heater?

If you set them to the same temperature, the bottom element will be the first one on every time, and frequently the only one used to maintain the temperature. If you set the top element too much higher, then it will be used most of the time, and the bottom element acts more as a pre-heater.

When should I replace my thermostat?

7 Signs You Need to Replace Your Thermostat

  • Your HVAC Keeps Turning On or Off.
  • Faulty Thermostat Readings.
  • Suspiciously High Energy Bills.
  • Constant Temperature Shifts.
  • Thermostat Is Too Old.
  • Thermostat Fails to Respond to Changed Settings.
  • Your HVAC System Short Cycles.
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What causes a water heater thermostat to burn up?

Usually the cause of overheated water is a lower heating element that has a leak to ground. You need to turn power off to the heater. Disconnect both wires to both elements.

How many thermostats does a hot water heater have?

Most electric water heaters above 20 gallons have two thermostats that sense the temperature of the water in both the top and bottom of the tank. The upper thermostat is the boss and always tells the lower thermostat what to do.

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