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1. • • An adjustable thermostat regulates and maintains the water temperature. A pressure-relief valve prevents an excessive buildup of pressure inside the tank. When hot water is called for at a faucet or appliance, heated water is pumped out the top of the tank and through the home’s hot-water supply pipes.
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     How Does a Water Heater Work | Water Heater Guide 2019

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   What does a water heater control valve do?

   • Thermostat/Control Valve: Controls the water heater's temperature. Temperature and pressure relief valve (T&P valve): Lowers the temperature and pressure of the heater by discharging water. Burner: Heats the cold water when the pilot light is lit. Elements: Each water heater has elements that heat the water in the heater.

   Water Heater Maintenance - The Home Depot

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   Do I need to replace my water heater control valve?

   • There are numerous symptoms of this, such as your water getting too hot, the pilot light not working, or the heat limiter being tripped. These issues could be a sign that your heater is nearing the end of its life and that it will soon need replacing. On the other hand, it could be that you simply need to replace your water heater control valve.

   How to Replace a Water Heater Control: Gas Valve - Sensible Digs

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   How do I know if my water heater has a control valve?

   • The water heater control should be relatively obvious when looking at your water heater, as it is attached to the gas supply into the heater. The control valve itself should also be obvious, as it is a physical valve that can be turned to control the gas flow into the unit.

   How to Replace a Water Heater Control: Gas Valve - Sensible Digs

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   How do you replace a gas control valve on a water heater?

   • Replacing the valve involves turning off the gas and water supply, draining the water heater, removing the old valve, and attaching a new one. Always remember to check for gas leaks, consult your water heater’s manual, and call a professional if needed. What Is a Water Heater Gas Control Valve? What Is a Water Heater Gas Control Valve?

   How to Replace a Water Heater Control: Gas Valve - Sensible Digs

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3. sensibledigs.com › replace-water-heater-controlHow to Replace a Water Heater Control: Gas Valve - Sensible Digs

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   Jan 3, 2024 · Key Takeaways. Water heater gas control valve controls the flow of gas to heat water and can malfunction over time. Signs of a faulty valve include pilot light not staying alight, burners running with thermostat turned down, or control knob stuck.

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4. www.homedepot.com › c › ahWater Heater Maintenance - The Home Depot

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   Thermostat/Control Valve: Controls the water heater's temperature. Temperature and pressure relief valve (T&P valve): Lowers the temperature and pressure of the heater by discharging water. Burner: Heats the cold water when the pilot light is lit.

5. Videos

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6. home.howstuffworks.com › water-heaterHow to Turn Up Hot Water Heater | HowStuffWorks

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   Nov 29, 2023 · Tank: The inner shell of a water heater is a heavy metal tank containing a water-protective liner that holds 40 to 60 gallons (151 to 227 liters) of hot water at around 50 to 100 pounds per square inch (PSI), within the pressure range of a typical residential water system.

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7. homescale.net › what-is-water-heater-control-valveWhat Is Water Heater Control Valve And Why You Need It?

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   Jan 29, 2024 · How Does a Water Heater Control Valve Work? Water heater control valves operate on a simple principle: 1. Temperature Sensing: A thermostat or temperature sensor monitors the water temperature in the tank. 2. Signal Transmission: When the water temperature drops below the set point, the thermostat sends a signal to the control valve. 3.

8. www.hotwater.com › info-center › how-to-light-aHow To Relight A Water Heater’s Pilot Light | A.O. Smith

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   First, locate your hot water heater’s pilot knob. It’s usually located near the bottom of your water heater on the gas control valve as that control is integral to Step 2. Step 2: Turn Off the Gas and Wait 10 Minutes for the Gas to Dissipate

9. www.familyhandyman.com › project › how-to-regulateHow to Regulate the Hot Water Heater (DIY) | Family Handyman

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   Nov 28, 2019 · Step 1. Water heating mixing valve. Cut the copper pipes at your water heater and reroute them through a mixing valve. Install a temperature gauge in a tee fitting near the valve to set the output temperature. TMB STUDIO. Step 2. Tempering valve. Install a “point-of-use” tempering valve below the sink.

10. www.thespruce.com › replacing-water-heaterHow to Replace a Water Heater Thermocouple or Flame Sensor

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    Nov 18, 2022 · Fact checked by. Sarah Scott. The Spruce / Kevin Norris. Project Overview. Working Time: 30 mins - 1 hr. Total Time: 30 mins - 1 hr. Skill Level: Intermediate. Estimated Cost: $10 to $30. A thermocouple or flame sensor is a device used to control gas flow in gas water heaters.