A pilot light going out is one of the most common gas geyser issues in Pakistan, often triggered by gas load shedding or a brief interruption in supply. The exact relighting process depends on the type of ignition system a geyser has — igniter button, electronic pilot, or fully manual — but the core sequence is similar across all of them.
Water Heaters with an Igniter Button
Turn the gas valve to “Off” and give it about 5 minutes for any residual gas to clear. Turn the valve to “Pilot,” then hold down the pilot button while pressing the igniter — usually a red or black button — a few times until it clicks and the pilot catches. Keep holding the pilot button for roughly 30 seconds once the flame is lit, then switch the gas valve back to “On.”
Water Heaters with an Electronic Pilot
Newer models automate part of this process. Start the same way — gas off, 5-minute wait — then turn the thermostat all the way down and set the gas control to “Pilot.” Hold the pilot button and press the electronic ignition button (often labeled “Ignite”); this should light the pilot automatically. Hold for around 30 seconds to let it stabilize, then set the thermostat to the desired temperature and switch the gas valve to “On.”
Resetting a Pilot That’s Lit but Not Heating Properly
If the pilot is burning but the geyser isn’t heating water effectively, a reset can help. Shut the gas off and wait 5–10 minutes this time, then move the valve to “Pilot.” Many units have a reset button near the valve — press and hold it while relighting the pilot using either the igniter or manual method. Once it stays lit, switch back to “On” and adjust the temperature.
Manual Lighting (No Igniter)
For geysers without any igniter, a long lighter or match does the job. After the standard gas-off, 5-minute wait, locate the pilot opening — usually near the bottom of the unit — turn the control knob to “Pilot,” and light the pilot directly while holding the pilot button down. Hold for 30 seconds once lit, then switch to “On.”
If the Pilot Still Won’t Light
A few things are worth checking if none of the above works: confirm the gas supply itself is actually on and working; a faulty thermocouple can prevent the pilot from staying lit even when it catches briefly, which usually needs a technician to replace; and if the geyser was recently installed or repaired, trapped air in the gas line can require a few repeated lighting attempts before it clears on its own.
Pilot Light Assembly Replacement
If the pilot assembly itself is damaged or worn, replacement is the next step. With gas and water supply both shut off, remove the access panel to reach the assembly, disconnect the gas line and thermocouple, and take out the old unit. The new assembly connects the same way — gas line and thermocouple reattached, access panel replaced — followed by the standard relighting process to confirm it’s working correctly.
Relighting a pilot is a task most households can manage directly, whether the geyser uses an igniter, an electronic pilot, or manual lighting. If the flame won’t stay lit after a proper attempt, or a component seems to be at fault, bringing in a professional is the more reliable path than repeated troubleshooting — particularly during the colder months when a working geyser matters most.
How to Relight the Pilot Light on a Gas Geyser
- Turn off the gas: Turn the gas control knob on the geyser to the "Off" position and wait about 5 minutes to let any built-up gas clear from the area.
- Locate the pilot assembly: Find the pilot light opening, usually behind a small access panel near the bottom of the geyser, and identify the reset or piezo ignition button next to it.
- Switch to pilot mode: Turn the gas control knob to the "Pilot" setting.
- Ignite the pilot: Press and hold the reset or piezo button while lighting the pilot flame with a lighter, or press the piezo igniter repeatedly if the geyser has an automatic sparker.
- Hold the button: Keep holding the button for 30 to 60 seconds after the flame catches, so the thermocouple heats up enough to keep the gas valve open by itself.
- Release and test: Slowly release the button and confirm the pilot flame stays lit on its own. Turn the main gas knob to "On" and check that the burner ignites normally when hot water is drawn.
Frequently Asked Questions
How do I relight the pilot on my gas geyser?
Turn the gas control knob to "Off" and wait 5 minutes for any gas to clear, then turn it to "Pilot," press and hold the reset or piezo button while lighting the pilot flame, and keep holding it for about 30-60 seconds until the flame stays lit on its own before releasing.
What do I do if the pilot light won't stay lit after relighting?
If the pilot goes out again after you release the button, the thermocouple is likely worn out and not sensing the flame properly, or the pilot orifice is partially blocked with dust. Both are common, low-cost repairs a technician can usually fix in one visit.
How long should I hold the button when relighting the pilot?
Hold the pilot or reset button for roughly 30 to 60 seconds after the flame catches. Releasing too early is the most common reason relighting attempts fail, since the thermocouple needs that time to heat up enough to keep the gas valve open on its own.
Is there a smell of gas when relighting a pilot light — is that normal?
A faint gas smell for a few seconds right as the pilot catches is normal. If the smell is strong, doesn't fade, or you smell gas before you've even turned the knob to "Pilot," stop immediately, do not attempt to light it, ventilate the area, and call a technician.