A water heater pilot light going out is a common inconvenience, especially during colder months when gas systems work harder. Fortunately, relighting the pilot is usually a simple process—if done correctly and safely. Whether you have an older tank-style heater or a modern model with safety features, the following steps will help you restore hot water to your home quickly.

Why the Pilot Light Goes Out

Pilot lights may go out for several reasons:

• Drafts near the unit
• A dirty thermocouple
• Gas supply interruptions
• Faulty control valves
• Excess condensation in cold weather

Before relighting, always make sure there’s no lingering smell of gas—safety comes first.

Step 1: Locate the Instructions on the Tank

Most gas water heaters have a manufacturer’s label with relighting instructions. While the steps are similar across brands, details may vary slightly, so reviewing the label is always wise.

Step 2: Turn the Gas Control to “Off”

Turning the control to “Off” stops the flow of gas. Wait at least five minutes to allow any remaining gas to dissipate. This is a critical safety step.

Step 3: Switch to “Pilot” Mode

After waiting, turn the dial to “Pilot.” This setting allows a small amount of gas to flow to the pilot light, which is necessary for ignition.

Step 4: Press and Hold the Pilot Button

Pressing the pilot button primes the thermocouple and prepares the pilot for lighting. Some newer models use an electronic ignition rather than an open flame, but the principle is similar.

Step 5: Press the Igniter or Use a Long Lighter

Many water heaters include a built-in igniter, often a small red button. Press it repeatedly until the pilot flame appears.
If your heater does not have an igniter, carefully use a long lighter to ignite the pilot while holding the pilot button down.

Step 6: Hold the Button for 20–30 Seconds

Once the flame lights, continue holding the pilot button for 20 to 30 seconds to allow the thermocouple to heat up. This ensures the pilot stays lit after the button is released.

Step 7: Turn the Dial to “On”

After confirming the pilot stays lit, turn the dial back to “On.” The burner should ignite shortly afterward, and hot water will begin heating again.

Safety Tips

• Never relight if you smell gas—leave the home and call a professional.
• Keep flammable materials away from the unit.
• If the pilot repeatedly goes out, a component may be failing.

Final Thoughts

Relighting a water heater pilot light is a manageable task for many homeowners, but safety should always be the top priority. If you’re uncomfortable or if the pilot continues to go out, a plumber can inspect the system and address underlying issues like faulty thermocouples or gas line problems. Professional service ensures reliable hot water and peace of mind.

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Cold Weather Means More Demand on Your Water Heate

One of the most common winter plumbing issues homeowners face is water heater trouble. Cold temperatures lower incoming groundwater temperature, increase hot water usage, and place more strain on aging systems. Whether you have a traditional tank or a tankless model, winter is when your water heater is most likely to struggle.

Why Water Heaters Fail More Often in Winter

During winter, water entering the home can be up to 25 degrees colder than in summer. This requires your water heater to work significantly harder to raise the temperature to a usable level. Older units or neglected systems often can’t keep up.

Cold weather also leads to:

• Longer showers
• Higher laundry usage
• More dishwashing
• Guests and family visits during holidays

All of this increases hot water demand, which exposes weak components like heating elements, thermostats, and gas burners.

Signs Your Water Heater Is Struggling

Several symptoms appear before a water heater fails completely:

• Water takes longer to heat
• Running out of hot water faster
• Inconsistent temperature
• Rumbling or popping noises
• Rust-colored water
• Leaks around the base
• Higher energy bills

These signs should never be ignored during winter, when hot water is essential for comfort and sanitation.

How to Prevent Winter Water Heater Problems

1. Flush Sediment Buildup

Sediment naturally builds in water heaters, especially in areas with hard water. Flushing the tank once or twice a year improves efficiency dramatically.

2. Adjust the Temperature Safely

Raising the temperature slightly in winter helps the system keep up, but adjustments should be made safely to avoid scalding.

3. Insulate the Tank and Pipes

Insulating hot water pipes and the tank reduces heat loss, helping the heater work less intensely.

4. Inspect the Anode Rod

This rod prevents corrosion inside the tank. Replacing it extends water heater life.

5. Consider Upgrading an Aging System

If your heater is 10 to 12 years old, winter often exposes its limitations. Upgrading before failure protects your home from unexpected outages.

When to Call a Professional

Any signs of leaks, failure to heat, or loud noises should be handled by a professional plumber. A quick diagnosis can prevent bigger issues like tank failure or flooding.

Final Thoughts

Winter water heater problems are common, but with proper maintenance and early action, you can avoid cold showers and unexpected breakdowns. A professional inspection is one of the best investments you can make to stay comfortable all winter long.

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A reliable water heater is crucial during the winter months, but without proper maintenance, it can fail when you need it most. Here are key signs that your water heater may need servicing before the cold sets in.

Fluctuating Water Temperature

If your shower goes from hot to cold unexpectedly, sediment buildup in the tank could be affecting its efficiency. Flushing the tank helps remove debris and improve performance.

Rusty or Discolored Water

Rusty water from your hot tap can indicate corrosion inside your water heater tank, which may require replacing the anode rod or the entire unit if the damage is extensive.

Strange Noises

If your water heater makes popping or rumbling sounds, it could be due to hardened sediment at the bottom of the tank. This buildup forces your heater to work harder, increasing wear and tear.

Water Takes Too Long to Heat

A failing heating element or a buildup of minerals can reduce the efficiency of your water heater, making it take longer to provide hot water.

Leaks Around the Water Heater

Even a small leak can indicate a bigger issue, such as internal corrosion or a loose connection. Addressing leaks early can prevent costly water damage.

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The water heater is one of the most-used appliances in your home. From climate control to laundry machines, dishwashers and showers, your water heater is under constant use. Here are a few ways to know if you have a faulty water heater.

Noise

If you hear new noises from your water heater, it may be time for professional servicing. Your water heater may be making noises for various issues, including sediment buildup or defective heating elements. Call our professionals for guidance on possible ways to resolve the impending problem.

Water Quality Issues

Is your water showing a rusty or muddy color? Or, does it have a smell? These indicate that there may be something wrong with your water heater. Sediment buildup in your heater can impact the color of your water. You may also be smelling dissolved compounds from the heating element.

Leaking

Leaks and corrosion are surefire signs that your hot water tank is failing. As water escapes the tank and corrodes the metal on the outside, you may see leaks and drips around your system. Take note of these leaks, and call us to arrange a replacement soon.

Reduced Hot Water

No one likes to take cold showers, especially when they’re not planning for it. If your water heater suddenly can’t keep up with your demands for hot water, there may be a problem with it heating effectively.

Low Water Flow

Sediment buildup in the pipes connecting to your heater, or in the heater itself can restrict water flow through your home’s plumbing, causing a decrease in water pressure.

Putman & Son’s Plumbing is Rochester Hills’ go-to source for information on a wide range of water heaters. Contact us today for more information about popular and efficient water heaters. Our master plumbers are experts regarding water heater repair, removal, and installation. If you think you have a faulty water heater, call Putman & Son’s Plumbing at (248) 652-0990.

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A water heater is an essential part of any modern home. It can be expensive to replace. The best way to get your money’s worth is to keep it running at maximum capacity for as long as possible. The following tips will help you maintain your water heater.

• Add Insulation to Save Energy

A fiberglass insulation jacket can help your water heater operate efficiently, especially if it is an older model. Insulation can reduce heat loss by as much as 45% which can translate to up to a 9% reduction on your water heating expenses.

• Flush Sediment from the Tank

Your water heater tank should be drained at least once per year. If it’s a newer system, you may only need to drain a few gallons. Check the water for debris and sediment.

If you notice either, then you should do a full flush. To do this, turn the temperature down and empty the tank. Turn the water flow on while the drain is still open and let water flush it out for a minute or so to remove remaining sediment.

• Test the Temperature-Pressure Relief Valve

Test your temperature-pressure relief valve once per year. This is done by discharging it a few times. Look for small leaks in the valve after testing.

• Use Vacation Mode When Traveling

Vacation mode is available on gas water heater models. This setting will keep the pilot light burning without heating the water. Vacation mode should be used when you are away from home for an extended period of time.

• Inspect Annually for Leaks & Corrosion

Perform an annual water heater inspection to look for leaks or corrosion on the tank, pipes, and in the general area of the appliance. Also, make sure nothing is being stored close to the water heater.

If you need an inspection, notice issues, or have questions, contact Putman & Son’s Plumbing. We are available to help customers throughout Southeast Michigan prolong the life of their water heaters and replace them when needed.

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