How Old Is My Water Heater?

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On average a water heater will last you 8-12 years before needing replacement. If you were not the first owner of your home and are unsure when your hot water heater was installed it is important for you to find out this information. The good news is that this information is readily available and easy to find on your hot water heater itself. This guide will offer you step by step information to help you determine the age of your water heater and help you decide when it may be time to obtain a replacement.

Decoding serial numbers

The best way to determine how old your water heater is, is to look at the serial number. All water heaters will have a serial number located on the exterior of the unit. This applies to both hot water heater tanks and tankless water heater systems. Most serial numbers will be a combination of numbers and letters.

Some water heater manufactures, such as Rheem make it easy for you to determine the age of your water heater unit. On Rheem units, the serial number contains the year and month that the water heater unit was manufactured. By looking at the 9 digit serial code of a Rheem water heater you can note that the first four numbers of the serial number are the manufacture date.
An example of a Rheem serial code format could be as follows;


In this case the first two numbers, 01, are the month of manufacture while the second two numbers represent the year, 98. In this scenario the water heater would have been manufactured in January of 2008.

Types of Serial Codes

Not every water heater manufacture provides the date in such an clear pattern as Rheem. Listed below are a few examples of common water heater manufacturers and how they list their serial numbers and where you can find serial number information.

  • Navien – depending on the model of water heater you will see a different style of serial code. Navien provides a chart to help you decode your serial number.
  • Rinnai – similar to the example above the date of manufacture can be fpund in the first four numbers of the serial code. The first two numbers are the year and are then followed by the month.
  • What if I still can’t find it?

    If you are having difficulty finding your water heater serial number it may be helpful to . A technician will be able to help you locate the serial number on your water heater unit and will also be able to help you determine your water heaters manufacture date.

    Don’t forget maintenance

    Always remember that regular maintenance will help to keep your water heating running for as long as possible. See our previous blog post for information on water heater maintenance and learn how to keep the water in your home hot while also helping to extend the life of your water heater for years to come.

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    How to fix a Water Heater Pilot Light

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    We’ve all been there. You hop in the shower early in the morning and are rudely greeted by freezing cold water running down your back. After hopping out of the shower in shock you now need to figure out why you didn’t get the steaming hot shower your excepted. If you have a gas hot water tank it could very likely be that your pilot light has somehow turned off and now needs to be light again. This can be a relatively simple fix that can be performed at home without the help of a technician. By following the simple steps listed below you can get that water tank working up and ready for a much more enjoyable shower.

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    How To Quiet a Loud Hot Water Heater

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    loud how water heater

    One of the most common complaints we hear from home owners is about their loud hot water heater! There are many unusual noises that your hot water heater can make, ranging from popping and rumbling sounds to knocking, hissing and clicking noises.

    Fortunately, there are many DIY tips you can use to help quiet your loud hot water heater and reduce those annoying sounds. Try the following to eliminate the noise, but remember that regular hot water heater maintenance and repair is key to preventing many of these sounds in the first place!

    • Cracking or popping sounds can usually be addressed by flushing your water heater. A buildup of sediment at the bottom of your water heater can trap water beneath it and as this water heats up, it forces its way through the sediment, resulting in a cracking or popping sound.
    • Knocking and banging sounds are often caused by pipes heating up internally. This noise is commonly referred to as “water hammering” and can be one of the most annoying sounds for home owners. While this does not damage your water heater, it can be quieted by installing a water hammer arrestor at the shut off valves of fixtures like your washing machine.
    • A humming noise coming from your electric water heater is normal, but if it comes on suddenly or is very loud, you should call a professional for assistance. To address minor humming sounds, you can tighten the heating element in your water heater (don’t overtighten) to prevent vibrations.
    • Screeching noises from you water heater can be caused by water under pressure being forced through or around an object. Typically, this noise is made when a shutoff valve is not completely open. Check the valve at your water heater, or at other fixtures in your home to ensure they are all completely open.
    • Hissing sounds can occur after you have used a large amount of hot water, such as after a bath or shower or running the dishwasher on a heavy cycle. When hot water is used up, cold water re-enters the tank and can cause condensation to form on the outside of the tank. As this condensation drips down and hits hot parts of the water heater around the burner, you will hear a hissing sound. If this happens frequently, you may have an undersized water heater that does not meet your household’s needs.

    Have you tried these DIY tips to deal with your loud hot water heater and still find it too noisy? At Evam Canada, we understand that these strange and annoying sounds can disrupt your comfort at home. That’s why our water heater technicians are on hand to diagnose your loud hot water heater’s problems and find a solution so you can enjoy peace and quiet.

    Book your water heater maintenance or repair appointment online now, or give us a call at 1-905-624-5544 today.

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    Tankless Water Heater Repair and Maintenance Tips

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    tankless water heater maintenance

    Many home owners see tankless water heaters as a great upgrade to their current tank water heater. There’s no doubt that the convenience and efficiency of on-demand tankless models make them a wonderful choice for your home, but you should keep in mind that tankless water heater repair and maintenance is still essential to enjoy hot water for years to come.

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    Fixing a Leaking Hot Water Heater Pressure Relief Valve

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    Your hot water heater pressure relief valve is an important component of both electric and gas hot water heaters. This valve is designed to allow water and steam to escape from the tank if the temperature gets too hot or if pressure gets too high, releasing some of the pressure before a dangerous explosion can occur.

    While it is a critical safety feature, a leaking hot water heater pressure relief valve can be cause for concern. If you have noticed a leak from your water heater’s pressure relief valve, you can troubleshoot the issue yourself in a few ways:

    1. Check the Temperature

    The temperature of your hot water heater could be causing the temperature and pressure relief valve to do its job, resulting in a small discharge of steam or water. Check the thermostat to determine the temperature setting of your water heater and verify this temperature by running hot water at a fixture until it gets hot. Use a meat thermometer to read the actual temperature of this water, ensuring that it is set at a safe 120 degrees Fahrenheit or lower.

    1. Test the Valve
      Ensure that the valve is functioning properly by lifting the arm on the top of the valve and seeing if water comes out. When you release the valve, it should shut immediately and stop the flow of water. If the arm does not lift and does not snap back down immediately, it should be replaced. There may be debris or rust preventing the pressure relief valve from functioning correctly.
    2. Replace the Valve
      Sometimes your leaking hot water pressure relief valve can be fixed simply by replacing the valve. This easy task requires you to drain the tank to a level below the valve, then opening it to release any residual pressure. The valve can then be removed slowly using a wrench to turn it counter-clockwise. Replace the valve with one of the same pressure rating by screwing it in clockwise and tightening it with a wrench.
    1. It’s Still Leaking
      If you replace the valve and it still continues to leak, this signals a greater problem. A frequently triggered valve means that your hot water heater is consistently overheating your water or building up too much pressure within the tank. It’s best to call in a professional to determine why your water heater is getting too hot or pressure is getting too high so it can be repaired or replaced if necessary.

    Not sure how to fix your hot water heater pressure relief valve on your own? We’re here to help! The experienced water heater specialists at Evam Canada are on-call to repair any leaks 24/7. Don’t hesitate to call us for your emergency water heater repairs at 1-905-624-5544.

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    Water Heater Leak Repair: Dealing With an Emergency Leak

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    For many of us, it’s our worst nightmare – noticing water leaking from our home’s hot water heater. No matter how serious the leak, you know that you’ve got a big problem on your hands that needs to be fixed, and fast!

    Water heater leak repair is not something you should handle on your own, especially in an emergency situation. However, until you can get a repair technician in to address the leak, you can take some steps to prevent further leakage and damage to your water heater and surrounding property.

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    What Causes a Water Heater Rumbling Noise?

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    water heater rumbling noice

    If you’re hearing a water heater rumbling sound, you might be concerned that you’ll soon be out of hot water. You’re not sure if your water heater is functioning correctly and don’t know if it needs repair.

    A rumbling noise coming from your water heater can be scary, but keep in mind that it may be caused by a number of things, ranging from minor annoyances to issues that require more significant repairs.

    In any case, if your water heater rumbling noise has you worried, read on to discover some of the most common reasons for this type of sound.

    Hard Water
    If you have hard water in your home, hard water scale can accumulate inside your water heater’s tank. This can cause your hot water heater to overheat and make a rumbling sound. If this is the case, consider installing a water softener or whole-home water filtration system to reduce scale build-up.

    Sediment Build-Up

    As the water inside your hot water tank warms and expands, it moves through any sediment build-up that might have formed within your tank over the years, such as rust or other minerals. This layer of sediment traps water underneath it, where the water heats and bubbles up until it bursts through the sediment. As the boiling water escapes the layer of sediment, it creates the rumbling-like sound that you hear.

    Beyond the annoying rumbling sound, these types of build-up can cause future issues with your equipment. Though hard water and sediment build-up are not immediately dangerous, over time they can cause your hot water heater’s tank to deteriorate until it eventually requires complete replacement. Additionally, any sediment built up inside the tank reduces the heat transfer inside, meaning that your water heater’s burner must work harder to produce hot water at your desired temperature. This decreases the efficiency of your unit and increases your energy bills.

    To resolve your rumbling water heater problem, you can drain your hot water heater to remove the sediment. It is possible to flush the tank yourself, or you can call in a pro to do it for you quickly and safely if you are uncomfortable taking this on as a DIY task.

    If you cannot diagnose your water heater rumbling noise, we recommend that you get in touch with an experienced emergency water heater repair professional to examine your hot water heater. Luckily, Evam Canada is on-call to solve any hot water heater problems. Contact us today to book an appointment or call 1-905-624-5544 so we can get your equipment running efficiently as soon as possible.

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    Relighting a Hot Water Heater Pilot Light

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    how to light a hot water heater pilot light

    A hot water heater pilot light is an essential component of any gas hot water heater. In fact, it’s necessary to ignite the gas burner every time your water needs to be heated! When your pilot light is out, you simply won’t have any hot water being delivered throughout your home.

    If you are experiencing no hot water at all, the culprit is often a pilot light that has gone out. Relighting your hot water heater pilot light is simple and requires no tools, so you’ll soon have everything back up and running so you can enjoy warm water again. Before beginning this water heater DIY fix, we always recommend that you consult your water heater’s owner’s manual first.

    1. The first step in relighting a hot water heater pilot light is to turn the gas regulator valve to the “off” position and wait for 5 minutes or so for any residual gas to dissipate.
    2. Open the door or cover to access the pilot light, usually found below the gas valve. Some hot water heaters feature a glass window that allows you to see the pilot light without having to remove a cover.
    3. Next, turn the gas regulator to the “pilot” setting and press the pilot button down and hold it. This will start the gas flow so that the flame can be lit.
    4. While holding the pilot button down, use the ignite button to light the pilot. Older gas water heater models may require you to use a long barbecue lighter or match to manually light the pilot.
    5. Continue to hold the pilot button down for about 30 seconds after it is lit so the thermocouple has time to get hot. This is necessary as the thermocouple will automatically shut off the gas if it senses that the pilot light is out.
    6. Once the pilot light is staying lit, turn the gas regulator valve to the “on” position and replace any covers you removed.

    If you find that your pilot light won’t stay lit, you should seek the help of a water heater repair expert. Working around natural gas can be incredibly dangerous, so any repairs should be trusted to a professional for the safety of you and your family.

    Still need help with your hot water heater pilot light? Our technicians would be happy to help! Contact Evam Canada today for your water heater maintenance, repair and installation needs in the GTA and beyond. Call at 1-905-624-5544 or contact us online to schedule your appointment!

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    How to Drain a Hot Water Heater

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    how to drain a hot water heater

    Draining your hot water heater regularly is a good idea to ensure it continues to run efficiently and heat your water as effectively as possible. You should think about draining your water heater’s tank about once every 1-3 years to prolong its life by flushing out the sediment and mineral buildup that accumulates over time.

    Luckily, this is an easy task that most home owners can perform on their own to prolong the life of their water heater and save money on their utility bills.

    Ready to drain a hot water heater? Here’s how to get started:

    1. Turn off your water heater. Ensure that the thermostat is set to the “off” position and the gas valve is set to “off” if you have a gas hot water heater. If you have an electric water heater, shut off the breaker that feeds it power.
    2. Turn off the cold water supply. You’ll want to make sure no additional water is entering the tank.
    3. Open the hot water faucet in a sink or tub. This should be left open during the entire draining process to stop a vacuum from forming in the water line.
    4. Let the water cool. You won’t want to be draining hot water, so give the hot water inside your tank a few hours to cool.
    5. Attach a garden hose to the hot water tank’s drain valve. Place the opposite end of the hose into a bucket or outdoors if possible. If your hot water heater is in the basement, you might need a portable pump to get the water to ground level and outdoors.
    6. Open the drain valve. Drain the hot water heater completely or until the water running out of the valve appears to be clear and free of sediment.
    7. Flush the tank. Turn the cold water supply back on for a few minutes to flush out the tank. Before shutting it off again
    8. Put things back. Remove the garden hose, close the drain valve, shut off the hot water faucet you opened, turn the cold water supply back to the open position, and finally restore power to your hot water heater.

    Not sure how to drain a hot water heater? At Evam Canada, we offer water heater maintenance services that will keep your water heater working its best! Our expert water heater service technicians are familiar with all makes and models and can handle everything from minor repairs to the installation of a brand-new water heater.

    To book a service appointment for your hot water heater, contact us today!

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    Hot Water Heater Not Working? 5 DIY Fixes

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    hot water heater not working

    One of the worst feelings as a home owner is discovering that our hot water heater is not working. A broken hot water heater means no hot showers, and leaves you unable to wash dishes, do laundry and keep things clean around the house.

    This inconvenience leads us to seek out DIY solutions to the most common water heater issues. So, if you’ve got a hot water heater not working, try the following fixes to see if you can get it heating your water again:

    1. Turn it On
      This may seem obvious, but turning your water heater on may just do the trick. If you have an electric water heater, check to see that the breaker has not been tripped and reset it if it has. If you have a gas hot water heater, be sure that the gas is indeed turned on.
    2. Relight the Pilot Light
      If the pilot light has gone out in your gas water heater, attempt to relight it following the instructions found in your owner’s manual.
    3. Check the Thermostat
      Your hot water heater may be fully operational, but its temperature setting is too low to provide enough hot water for your liking. Turn the thermostat to a hotter setting (around 120 degrees Fahrenheit) and wait for an hour before you check the water temperature again.
    4. Check the Gas Line
      Your gas may have inadvertently been shut off further down the line. Follow the gas line from your hot water heater until you find the shutoff valve, and ensure it is set to the “on” position in addition to the one located on your unit.
    5. Examine the Thermocouple
      If your water heater’s thermocouple is damaged or defective, it can shut off the gas flow to your water heater and cause it to stop working entirely. This part may require replacement. See our article, How to Replace a Hot Water Heater Thermocouple to learn more.

    When to Call a Professional

    If the above DIY water heater fixes do not provide a solution to your problem, it’s a good idea to call in an expert for the repair or replacement of your hot water heater. Attempting to repair or replace a gas water heater without specialized knowledge can be incredibly dangerous and cause further damage to water heater.

    If you’re looking for reliable water heater repair services in Mississauga and the GTA, give the professionals at Evam Canada a call at 1-905-624-5544. Our technicians are here to diagnose why your hot water heater is not working and get it running like new so you can enjoy all the hot water you want!

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