Q:

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

A:

Quick Answer

The methods of replacing gas control valves on water heater varies depending on the design of the water heater. However, the task of replacing the gas control valves will usually require tools, such as a pipe wrench, screwdriver, a pair of pliers and a few lengths of pipe tape. It will also be a good idea to wear protective overalls and working gloves while replacing the water heater component.

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Full Answer

The following shows the basic steps that are ideally taken when replacing gas control valves.

  1. Purchase the replacement valve
  2. Make sure to purchase the right gas control valve replacement by making a note of the brand, model and make of the particular water heater before proceeding to the supply store. Alternatively, one can bring the gas control valve after the parts have been disassembled.

  3. Switch off the gas
  4. Before disassembling the parts, switch off the gas to cut off the supply to the water heater. Wear protective clothing and turn off the old gas valve as well.

  5. Turn off the water supply
  6. Turn off the water supply to the heater and drain the remaining water in the heater tank.

  7. Remove the old valve
  8. Depending on the design of the heater, the task will make use of any of the tools mentioned earlier. Remember the order in which the parts go into the water heater assembly.

  9. Install the new valve
  10. Install the new gas control valve in the same order that the old one was removed. Make sure that the parts are securely fastened to prevent any leakage. Turn the water and gas supply back on to check if the valve is functioning properly.

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