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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    What Causes a Water Heater Rumbling Noise?

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    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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    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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    Why is My Hot Water Heater Leaking?

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    When you discover a pool of water surrounding your hot water tank, it can be the result of your hot water heater leaking – but don’t panic. Your next step should always be to turn off the power to your water heater so you can safely begin identifying the source of the leak.

    If you have a gas water heater, look for the on/off switch and turn it to the “off” position to shut the unit down. If you have an electric hot water heater, find the breaker for your water heater at the circuit breaker box and switch it off.

    Now you are ready to determine why your hot water heater is leaking and how you can stop it. In this article, we will outline the most common causes of hot water heater leaks to help you identify your specific problem.

    1. Water Supply Line Leak
      If you find that water is leaking from the lines that supply water at the top of your hot water heater, you should first shut off the water supply to your home to prevent further leakage. Fixing this type of leak could require a simple tightening of the connections or may require total replacement of the supply lines.
    2. Leaking Temperature and Pressure Relief Valve
      Water can sometimes leak from the temperature and pressure relief valve (T&P), which is a feature integrated into your water heater to release excess pressure when detected. A leak from this area may mean the valve is defective and requires replacement, which should be performed immediately for your safety.
    3. Drain Valve Leak
      A leak at the drain valve near the bottom of your water heater may mean your drain valve is not completely closed or is faulty, and often happens after your water heater has been flushed or drained. The drain valve can be replaced by a professional, who will shut down your water heater and drain it completely to perform the repair.
    4.  Hot Water Heater Leaking from Tank
      If you’ve ruled out the above sources of leaks, it is highly likely that the hot water tank has developed a leak over time due to age and deterioration. Unfortunately, a leaking tank cannot be repaired and requires complete replacement. A water heater expert can help you choose a new unit that suits your needs.

    Need a professional to solve your hot water heater leaking problems? The knowledgeable technicians at Evam Canada are here for all your water heater repair needs. We also offer one-time and regularly scheduled water heater maintenance plans to help you prevent leaks and other problems before they happen.

    To schedule a repair or maintenance appointment, call 1-905-624-5544, or contact us online.

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    What to Do if Your Hot Water Heater is Not Heating

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    When your hot water heater is not heating, your daily tasks like showering, washing dishes or doing laundry can be unpleasant. Hot water is an important part of our routine, and a disruption in your supply can really impact your day. You’ll probably look for the best way to get your hot water back up and running as soon as possible so you can enjoy a more comfortable water temperature.

    Should you discover that your hot water heater is not heating water properly, try the following steps to address this common water heater problem:

    1. If you have an electric hot water heater, check to see if the circuit breaker has been tripped. Reset the breaker at the breaker box if this is the case to restart your water heater.
    2. Determine if the pilot light is out if you have a gas water heater. If it needs to be re-lit, consult your water heater owner’s manual for instructions.
    3. In gas water heaters, you can examine the gas supply valve to see if it is shut off or is damaged in any way. We highly recommend that you have an HVAC technician repair your gas supply valve if you suspect it is the cause of your hot water heater not heating.
    4. Check the thermostat to see if the temperature is set too low. The recommended temperature setting is typically around 120 degrees Fahrenheit, so adjust the dial to a higher setting if you find it is below the 120-degree F mark.
    5.  See if the temperature and pressure relief valve is open or defective. When excessive water temperature is detected or extreme pressure builds up inside the water heater, this safety feature will shut off the unit entirely. A professional should be called to examine your water heater if this is the case.
    6. Consider draining your water heater tank to get rid of any sediment that has collected at the bottom of the tank. This buildup can impact the functioning of your hot water heater and over time, can deteriorate the inside of the tank itself.
    7. Contact an experienced water heater technician to troubleshoot and resolve the problem. If you’ve exhausted the steps above and still have not restored your hot water, you need the assistance of an expert.

    If you find that your hot water heater is not heating and need a trusted HVAC company to handle your emergency water heater repair, Evam Canada is here to help. We’ll work hard to get your hot water heater working properly in no time at all! Contact us today to book an appointment or call 1-905-624-5544.

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    5 Gas Water Heater Maintenance Tips for Home Owners

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    Did you know that gas water heater maintenance is essential to ensuring you have hot water at the ready? Many home owners don’t realize that just like a furnace or air conditioner, their hot water heater needs regular maintenance too!

    Water heater maintenance is the key to a worry-free supply of hot water for your home and is an important part of preventing future water heater failures or major repairs. To maximize the lifespan of your gas water heater, we recommend that you examine it seasonally and perform a few easy DIY maintenance tasks.

    Here are some quick and simple gas water heater maintenance tips that you can handle yourself to ensure your equipment is running efficiently:

    1. Keep the area around the water heater clear
      Always give your gas water heater some breathing room by ensuring there is no clutter or debris surrounding it. Gas water heaters require oxygen to burn gas, and if your unit is crowded by furniture or boxes, this can impact its efficiency.
    2. Check the temperature
      Take a look at the temperature dial on your water heater, usually located on the gas valve. Many experts recommend that your water heater is set to 115-120 degrees F to prevent overheating and to promote overall efficiency.
    3. Check for leaks
      Carefully examine the exterior of your hot water tank for any cracks, rust stains, damage, or signs of water pooling at its base. If you see even a tiny leak, you should have it repaired immediately to prevent further damage and increased utility bills.
    4. Drain your water heater
      Use the drain valve to drain a few gallons of water from the tank using a bucket or hose to flush out debris. Keep an eye out for excessive debris or sediment in the water; If you see a lot, contact a professional to examine the tank.
    5. Test the temperature and pressure relief valve
      Your gas water heater is equipped with a temperature and pressure relief valve as a safety measure. This component detects when there are extremely high temperatures or excessive pressure buildup inside the tank and automatically opens to release pressure. To test the valve, place a bucket at the end of the discharge tube and lift the lever, allowing water to flow out for a few moments. If the valve is stuck or leaky, it should be replaced.

    If you’re not sure how to approach gas water heater maintenance on your own, we recommend that you get in touch with an expert to keep your water heater in top shape. At Evam Canada, we offer gas water heater maintenance plans and regular service, along with emergency water heater repair to make sure you always have hot water when you need it.

    Call us today at 1-905-624-5544, or schedule an appointment for water heater service online.

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    DIY Solutions to Common Hot Water Heater Problems

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    Are you experiencing hot water heater problems? Like any component of the HVAC system within your home, you hot water heater can sometimes fail to work as expected.

    While hot water heater problems can be an annoyance, there are some DIY solutions you can take on to get your water heater working correctly. Below are some of the most common water heater issues experienced by home owners and how to troubleshoot them:
    No Hot Water

    If your water heater is producing no hot water at all, its pilot light may be out. Check to see if the pilot light is lit, and if it requires relighting, follow the instructions in your owner’s manual. If you are not comfortable relighting the pilot light, we recommend that an HVAC technician do this for you.

    Water Isn’t Hot Enough

    Increasing the temperature of your water is an easy fix for many home owners. Simply check your hot water heater’s thermostat. The recommended temperature is around 120 degrees F, so if it is any lower, increase the temperature. If this does not solve the problem, you may be facing issues with the heating element or have a broken thermostat, which are both repairs that need to be handled by an expert.

    Not Enough Hot Water

    If you’re consistently running out of hot water for showers or baths, you likely have an undersized water heater for your household’s needs. You may need a new hot water heater with a larger capacity or a tankless water heater, which produces hot water on demand rather than storing it in a tank.

    Water Heater Leaks

    Finding water pooled around the bottom of your hot water heater is never a good sign. Check all valves and pipe connections for the source of the leak. If none of these areas seem to be the cause of the leak, you are most likely dealing with a leak in the actual tank or another complex component that must be replaced by a water heater technician.

    Noisy Water Heater

    Some sounds from your hot water heater are normal and occur when metal parts expand or contract due to temperature changes. However, if you hear popping, gurgling or banging noises, they may be caused by a buildup of sediment inside the tank, which is a more serious concern. Try draining or flushing your water heater or call in a pro for help.

    If you have tried these DIY tips and are still experiencing hot water heater problems, it’s time call in a professional water heater repair technician. The experts at Evam Canada are on hand to determine what is causing the problem and will repair or replace your water heater so you can enjoy warm water when you need it.

    When you are experiencing any of the above common hot water heater problems, contact us to book an appointment and we’ll get your water heater running properly!

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