how to reset pilot light on water heater

3 min read 07-02-2025

how to reset pilot light on water heater

Meta Description: Learn how to quickly and safely reset your water heater pilot light! This comprehensive guide provides step-by-step instructions, troubleshooting tips, and safety precautions for various water heater types. Avoid costly repairs by mastering this essential home maintenance skill. Get back to hot showers today!

Understanding Your Water Heater

Before you begin, it's crucial to identify your water heater type. Gas water heaters use a pilot light to ignite the main burner. Electric water heaters don't have pilot lights; they use electric heating elements. This guide focuses solely on gas water heaters. If you have an electric water heater, resetting a pilot light isn't applicable.

Important Safety Note: Always turn off the gas supply to your water heater before attempting any repairs. This is usually a valve located near the water heater itself. If you're unsure about any step, contact a qualified plumber.

How to Reset Your Water Heater Pilot Light

This process may vary slightly depending on your water heater model, but the general steps are consistent. Always consult your water heater's manual for specific instructions.

Step 1: Locate the Gas Control Valve and Pilot Assembly

Your gas control valve is usually located at the bottom of the water heater. It will have a knob or handle to control the gas flow. The pilot assembly is often directly adjacent to the gas control valve.

Step 2: Turn Off the Gas Supply

Locate the gas shut-off valve near your water heater. Turn the valve clockwise to shut off the gas supply completely. This is a crucial safety precaution.

Step 3: Check for Gas Leaks

Before proceeding, check for gas leaks using soapy water. Apply a mixture of soapy water to all gas connections and fittings. If bubbles form, you have a gas leak; immediately call a qualified gas technician. Do not proceed until the leak is fixed.

Step 4: Light the Pilot Light

Hold a lit match or lighter near the pilot light opening. Simultaneously, slowly turn the gas control knob to the "pilot" position. You should hear a hissing sound as gas escapes. Keep the flame near the opening until the pilot light ignites.

Troubleshooting: If the pilot light doesn't ignite, you may need to clean the pilot light orifice with a thin wire or needle.

Step 5: Verify the Pilot Light is Burning

Once the pilot light ignites, hold the knob in the "pilot" position for 60 seconds to allow the pilot to heat up and stabilize the flame.

Step 6: Turn the Gas Control Knob to the "On" Position

After 60 seconds, slowly turn the gas control knob to the "on" position. The main burner should ignite, indicating a successful pilot light reset.

Step 7: Check for Proper Operation

Check if the hot water is flowing normally from your taps. If it is not heating up, there may be a different issue requiring professional attention.

Why is My Pilot Light Going Out?

Several reasons can cause a pilot light to extinguish:

Low Gas Pressure: Contact your gas company.
Clogged Pilot Light Orifice: Clean it with a wire or needle.
Faulty Thermocouple: This safety device senses the pilot flame and shuts off gas if it's extinguished. Replacement may be necessary. This often requires a professional.
Draft: Poor ventilation in the area can extinguish the pilot. Check for adequate ventilation and seal any gaps if needed.

When to Call a Professional

If you have repeatedly tried these steps without success, or if you notice any gas leaks, it's best to contact a qualified plumber or gas technician. Attempting complex repairs yourself can be risky and could damage your water heater.

Remember safety first! If you're uncomfortable performing these steps, it's always advisable to call a professional. Don't risk your safety and property by attempting a repair beyond your skillset.