Question: How To Light Hot Water Heater Pilot?

What causes a pilot light to go out on a water heater?

Some of the most common reasons that water heater pilot lights go out include: A faulty thermocouple. Over time, thermocouples can begin to malfunction and shut off the gas supply to the pilot light even if it’s burning properly. A bent or dirty thermocouple.

Is it safe to relight water heater pilot?

Do not attempt to relight a water heater pilot light (or any other work on the unit) if you smell gas in the area, indicating a gas leak; call 9-1-1 from outside the house. Herb Kirchhoff has more than three decades of hands-on experience as an avid garden hobbyist and home handyman.

How much does it cost to replace a thermocouple on a hot water heater?

Thermocouple – $20 to $150 The thermocouple is an apparatus that senses whether the pilot light is lit and triggers the gas control valve. Repairs typically cost about $150 to have it done professionally, though a new thermocouple itself only costs about $20 on average.

You might be interested:  FAQ: How To Replace An Electric Baseboard Heater Thermostat?

Should pilot light always be on water heater?

The pilot should be on the water heating the house. The pilot flame can be difficult to see through a window. To know if the pilot is on or off, you need to remove the access door and shield and look at the burner and pilot through it.

What does it mean when your hot water heater won’t stay lit?

Thermocouple. If your gas water heater doesn’t stay lit, you may have a defective thermocouple. Most gas fired water heaters use a standing pilot to ignite the main burner. Changing the thermocouple does not involve any gas fittings but local regulations may require that a qualified gas technician perform the repair.

How long do water heaters last?

How Long Do Water Heaters Last? Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years. That varies with the location and design of the unit, quality of installation, maintenance schedule and water quality.

Will gas leak if pilot light is off?

If the pilot light goes out on a storage or instantaneous hot water heater, space heater or a ducted heater, you will not have a gas leak. This is because all modern gas appliances with pilot lights have a fail-safe device that closes off the gas to the appliance in the case when the pilot may go out.

How do you know if you have a bad thermocouple?

If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.

You might be interested:  How Does A Dual Element Water Heater Work?

What is the most common problem with water heaters?

A water tank that produces too little hot water is one of the many common water heater problems you may encounter. Usually this can be solved by turning up the temperature on the tank’s thermostat. Be careful, however, not to turn the temperature up too high, as this can be a scalding hazard. No hot water.

Can I replace a thermocouple myself?

It’s easy to replace and a new one costs $5 to $10. Rather than trying to unfasten the thermocouple inside the water heater’s burning chamber, it’s easier to remove the whole burner and thermocouple assembly. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.

Will a pilot light stay lit with a bad thermocouple?

A thermocouple senses the heat of the pilot and allows gas to flow to the burner. A bad thermocouple will shut off gas to both the pilot and the burner so the pilot light won’t stay lit.

Can I leave my hot water tank on pilot?

3 Answers. Yes it is safe to leave the water heater in pilot mode while flushing. You do not want the burner to fire while the tank is empty as this can damage the tank but the pilot will not cause a problem. Added: most gas valves with a standing pilot have the temp setting and “pilot” then off settings.

Does a water heater always stay on?

An ‘always-on’ heater isn’t constantly heating the water. There is a built-in thermostat which switches the heater off when the water reaches a set temperature. If you don’t use any water, the heater will run periodically to ‘top-up’ heat lost through the pipe insulation.

Leave a Reply

Your email address will not be published. Required fields are marked *