White Rodgers Gas Valve Troubleshooting [An in-depth Guide]

White Rodgers is one of the industry leading manufacturer of gas valves for different and reliable OEM brands. These brands include heater, boilers and furnaces. Other OEM brands are cooking appliances, and pool heaters.

Many companies offer these OEM replacement gas valves to the public for sale. While you are to buy it from reliable sources, you need to know how to troubleshoot it when needed. Many tend to buy a new one altogether because they don’t know some of the troubleshooting processes. In this article, you will get to know how to troubleshoot your White Rodgers gas valve or thermostat.

White Rodgers Gas Valve Troubleshooting

White Rodgers Gas Valve Troubleshooting

Some of the common troubleshooting steps to different possible symptoms and causes of White Rodgers gas valves are about to start

Let’s take the symptoms one by one, figure out the causes and what should be done:

Main symptom: Pilot cannot be lit

  • Cause: The knob of the Gas control position might wrongly be set.
  • Solution: Take look on the lighting instruction. Correctly set the thermostat gas valve in the right position.
  • Cause: Gas pressure is very low or gas is not coming forth.
  • Solution: Check line pressure, most of the time this is the case. And check the gas supply too whether it is turned off. If off, turn it on.
  • Cause: Pilot light button not being fully pressed when attempting to light pilot
  • Solution: Take another look on the lighting instruction. Have the pilot light button fully pressed
  • Cause: Non-functional Piezo igniter
  • Solution: Change the Piezo igniter.
  • Cause: Obstruction or kinking of the pilot tube
  • Solution: Cleaning, repairing or replacing of pilot tube

Main symptom: Going off pilot in a periodical manner (After heating circle) once in 24 hours, once in 7 days etc.

  • Cause: There is not enough combustion air supply
  • Solution: Check if there is enough combustion air available to the unit. Verify and have the Jacket slot cleared of any kind of obstructions such as dust, restrictions and dirt. Have the flame arrestor plate inspected and make use of stiff bristled brush to clean it. You can also use vacuum to take away every debris accumulation.
  • Cause: Gas pressure or gas supply is not consistent
  • Solution: Verify gas supply and have the line pressure checked.
  • Cause: Clogged and incorrect vent system or location
  • Solution: Verify venting to have right sizing and right operation

Main symptom: Lighting of pilot but the major burner won’t come on

  • Cause: The Combination gas valve or thermostat setting is very low for expected water temperature
  • Solution: On combination gas valve or thermostat, adjust temperature dial.
  • Cause: The gas temperature is low or gas supply is not enough
  • Solution: Check line pressure and supply of gas
  • Cause: Combination gas valve or thermostat is satisfied
  • Solution: On the Combination gas valve or thermostat, check temperature dial setting
  • Cause: Combination gas valve or thermostat is out of calibration or has wide differential
  • Solution: Check or verify Combination gas valve or to know if it is operating properly. Change it if necessary

Main symptom: Hot water is not enough

  • Cause: The temperature of inlet water is very cold
  • Solution: The percentage of hot water produced will reduce when very cold water goes into the heater. Tempering of incoming supply of water may be necessary. Clean the spark plug
  • Cause: High demand periods
  • Solution: Adjusting of high demand usage
  • Cause: The water heater size is not correct for the application
  • Solution: Skilled and experienced plumbers should be contacted
  • Cause: The setting of the combination gas valve or thermostat is very low for desired or expected water temperature.
  • Solution: On the combination gas valve or thermostat, check daily.
  • Cause: Dilution on hot water with cold water through dip tube
  • Solution: Dip tube should be inspected. If bad, replacing it is necessary
  • Cause: The Combination gas valve or thermostat is not functioning or out of calibration
  • Solution: Combination gas valve or thermostat should be checked to know if is operating properly. If it is not, it should be replaced

Main symptom: When button is released, pilot will not get lit

  • Cause: Opening of resettable thermal switch
  • Solution: Determining the cause of switch activation. The button on the resettable thermal switch which is found on inner door should be depressed. This should be done to reset
  • Cause: The combination gas valve or thermostat has defective magnet
  • Solution: The operation of the magnet should be checked. Replacing of combination gas valve or thermostat should be done if necessary
  • Cause: Thermocouple is defective or weak
  • Solution: Thermocouple should be checked. You should replace it if necessary
  • Cause: There is poor thermocouple connection at the combination gas valve or thermostat
  • Solution: Check the connection at combination gas valve or thermostat. Finger tight in addition to ¼ turn is the proper tightness
  • Cause: Inside the pilot assembly bracket, there is no proper engagement of thermocouple
  • Solution: Inspection of the thermocouple should be done. This is to make sure it is fully engaged into the pilot assembly bracket
  • Cause: Open ECO on combination gas valve or thermostat
  • Solution: The continuity of ECO should be checked. You should replace combination gas valve or thermostat when necessary

Final Verdict

Your knowledge of White Rodgers gas valve or thermostat will save you a lot. You will know where to buy and where not to. Coupled from this article you have just read; you will know the troubleshooting processes to carry out when your machine is faulty. This will save you from making certain expenses. It will also bring your machine back to normal as you enjoy its operation. However, it is good to know that there are other White Rodgers gas valve or thermostat troubleshooting steps that are not mentioned here.

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