Frustrated with Your Gas Water Heater? Here’s the Ultimate Guide to Solving the Pilot Light Nightmare
What To Know
- If there’s water present, purge the gas line by opening the gas valve and allowing gas to flow through the line until the water is cleared.
- If the pilot won’t stay lit when you try to ignite it with a short lighter or match, use a longer one to reach the pilot more easily.
- The gas valve may not be opening fully to provide enough gas to the pilot, or the thermocouple may be failing to sense the….
If you’re facing the frustration of a gas water heater pilot that won’t stay lit, you’re not alone. This common issue can leave you with cold water and a chilly home. But fear not! In this comprehensive guide, we’ll delve into the depths of water heater pilot problems, providing you with the knowledge and solutions to restore hot water bliss.
Common Causes of a Gas Water Heater Pilot Not Staying Lit
- Blocked or Dirty Pilot Orifice: The pilot orifice is a tiny opening that allows gas to flow to the pilot flame. Over time, dust, debris, or corrosion can clog this orifice, preventing gas from reaching the pilot.
- Faulty Thermocouple: The thermocouple is a safety device that senses the presence of a pilot flame. If the thermocouple is damaged or malfunctioning, it can interrupt the gas flow to the pilot.
- Damaged Gas Valve: The gas valve controls the flow of gas to the pilot and burner. A faulty gas valve can prevent gas from reaching the pilot altogether.
- Lack of Oxygen: A gas water heater requires fresh air to burn properly. If there’s insufficient ventilation in the area where the water heater is located, the pilot may not receive enough oxygen to stay lit.
- Wind or Draft: Strong winds or drafts can blow out the pilot flame. This is especially common in outdoor water heaters or in areas where the water heater is exposed to the elements.
- Dirty or Corroded Pilot Assembly: The pilot assembly includes the pilot tube, burner, and flame spreader. Over time, these components can become dirty or corroded, affecting the pilot’s ability to stay lit.
- Water in the Gas Line: Water in the gas line can prevent gas from reaching the pilot. This can occur if the gas line is leaking or if there’s condensation in the line.
How to Fix a Gas Water Heater Pilot That Won’t Stay Lit
1. Check the Pilot Orifice
- Remove the pilot assembly and inspect the orifice for any blockages.
- Use a small wire or compressed air to carefully clean the orifice.
2. Replace the Thermocouple
- Turn off the gas supply to the water heater.
- Disconnect the thermocouple and remove it.
- Replace it with a new thermocouple of the same type.
3. Check the Gas Valve
- Turn off the gas supply to the water heater.
- Remove the gas valve and inspect it for any damage.
- If the valve is faulty, replace it with a new one.
4. Ensure Proper Ventilation
- Open any windows or vents near the water heater to provide fresh air.
- Make sure the exhaust vent is clear of any obstructions.
5. Protect from Wind or Draft
- Install a wind guard around the pilot assembly to block out wind.
- Relocate the water heater to an area less exposed to drafts.
6. Clean the Pilot Assembly
- Remove the pilot assembly and clean all the components with a wire brush.
- Use a soft cloth to wipe away any dirt or debris.
7. Check for Water in the Gas Line
- Disconnect the gas line from the water heater and check for any water in the line.
- If there’s water present, purge the gas line by opening the gas valve and allowing gas to flow through the line until the water is cleared.
Troubleshooting Tips
- Use a Long Lighter or Match: If the pilot won’t stay lit when you try to ignite it with a short lighter or match, use a longer one to reach the pilot more easily.
- Check for Spiders or Insects: Spiders or insects can sometimes build webs or nests around the pilot, blocking the gas flow. Inspect the area and remove any obstructions.
- Reset the Water Heater: Turn off the gas supply and power to the water heater. Wait a few minutes, then turn them back on. This may reset the system and resolve the issue.
Answers to Your Most Common Questions
Q: Why does my gas water heater pilot keep going out when I turn on a hot water faucet?
A: This could indicate a problem with the gas valve or the thermocouple. The gas valve may not be opening fully to provide enough gas to the pilot, or the thermocouple may be failing to sense the pilot flame and shutting off the gas supply.
Q: Can I light the pilot manually if it won’t stay lit with the automatic igniter?
A: Yes, you can manually light the pilot using a long lighter or match. Follow the instructions in your water heater‘s manual for specific steps.
Q: How often should I clean the pilot assembly?
A: It’s recommended to clean the pilot assembly annually to prevent dirt and debris buildup.
