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Shut Off Gas Supply — Turn Off the Gas Supply

Beginner45 mins

Part of project

How to Safely Relight Your Gas Water Heater Pilot Light · Step 1 of 10

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For safety, you must completely shut off the gas supply. First, find the gas shut-off valve on the gas line that connects to the water heater's control unit. Turn the valve handle so it is perpendicular (at a 90-degree angle) to the gas pipe to stop the flow of gas. Next, on the water heater's gas control unit itself, turn the main control knob from the 'ON' position to the 'OFF' position. This ensures the pilot light and main burner are extinguished and no gas will enter the unit.

Goal: Ensure Safety

  • Ensure you turn off both the gas line valve and the unit's control knob to completely secure the appliance.
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FAQs

What should I do if I smell gas strongly before or during the relighting process?

This is a critical safety concern. If you smell gas, immediately stop, evacuate everyone from the house, and call your gas company's emergency line from outside. Do not attempt to relight the pilot, use any electrical switches, or operate anything that could create a spark.

Can I use a standard match or a short lighter instead of the recommended long flexible lighter?

While it might seem possible, it's highly recommended to use a long, flexible lighter like the Bernzomatic LTR220. This keeps your hands safely away from the burner area and any potential flare-ups, significantly reducing the risk of burns. Prioritize safety with the right tools.

My pilot light lights up, but goes out as soon as I release the gas control knob. What could be wrong?

This usually indicates a faulty thermocouple, which is a safety device that senses the pilot flame. Try holding the knob in longer (up to 60 seconds) to ensure the thermocouple heats sufficiently. If it still won't stay lit, the thermocouple likely needs replacement, which is a slightly more advanced DIY task or a job for a professional.

How long does this project typically take for a beginner, and is it truly considered 'beginner' difficulty?

For a true beginner, this project generally takes about 30-45 minutes, especially if you take your time with all the safety steps. It is considered beginner-friendly because it primarily involves following clear instructions and basic tool use, with the main challenge being careful adherence to safety protocols.

Transcript
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shut off the cold water supply. We're gonna go to your gas valve. Always shut off your gas too. We're gonna shut off your gas supply. We got a gas valve here right now it's on the on position. So we turn this off position. So now there's no gas running here. There's no hot water generating whatsoever. Every hot water

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