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How do you read a John Wood serial number?

John Wood serial numbers contain a lot of information, including when the heater was manufactured. This can be determined by looking at the first four numbers, ignoring any letter that may start the serial number. The first two numbers represent the year the heater was built.

How can you tell the age of a water heater?

Check the label Check for a manufacturer label on the side of your water heater — this should include the installation date. If the label is missing, or the installation date is not listed, you can use the serial number to determine the age of your unit.

How do I tell the age of my American Water Heater?

American Water Heater Company, manufacturer of 52 separate brands of water heaters, uses a 10-digit serial number with a year/week code in the first four digits of the serial number. The “year of” is the first two digits followed by the two digit week of the year.

Who makes John Wood water heaters?

John Wood was founded in Canada over 150 years ago as a tinware and farm implements company. John Wood was part of GSW, Inc., which manufactured water heaters in its Fergus, Ontario plant under the GSW and John Wood brand names. GSW, Inc. was acquired in 2006 by A.O.

Is Rheem better than AO Smith?

Rheem has a better overall product offering with a higher reach in the industry. But AO Smith is known to have a better customer experience. Regardless of what type of water heater you choose, both options will provide you with excellent longevity. … Who Offers The Best Condensing Gas Tankless Water Heater?

What are the signs of a hot water heater going bad?

7 Tell-tale signs of a Water Heater not working

  • You don’t have enough hot water. …
  • You have varying water temperature issues. …
  • You have a leaking water heater. …
  • You notice reduced water flow. …
  • You’re hearing some concerning sounds. …
  • You have smelly or discolored water. …
  • Your water heater is on the older end of the spectrum.

Should I replace my water heater before it fails?

If the tank rusts through, it could fail catastrophically and flood your home. You can avoid this disaster by replacing your water heater before it fails. A new water heater could lower your utility bills: You must invest in a new water heater, but it will start paying your back immediately in lower energy bills.

What is the average life expectancy of a hot water tank?

While today’s water heaters are better designed than older models, they still require regular maintenance in order to prolong their lives. With regular inspection, draining, and flushing, you can expect a gas water heater to last anywhere from 8-12 years and an electric water heater to last anywhere from 10-15 years.

Whats the longest a water heater can last?

about eight to 12 years

Can a hot water heater last 30 years?

30 years on a gas water heater is about 2x its expected lifespan. Old corroded water heaters and pressure relief valves can fail in catastrophic manner especially if they burst due to over pressure.

Which is better Rheem or Rinnai?

They are both super-efficient. But if we should put efficiency, capacity, and performance together, Rinnai has the upper hand. Rinnai has higher gallons-per-minute ratings than Rheem. Rinnai is the best option if you have a large family with high water demand.

Is Rinnai a good brand?

Rinnai is also no slouch in the energy-efficiency department, with its split systems boasting up to 4 stars for cooling. … Rinnai may not be one of the big players in the air conditioning game, but you may want to keep the brand in mind the next time you’re looking for an air conditioner.

What is the best hot water system to buy?

For most households, a solar HWS can be the most efficient and cheapest to run. If that’s not an option, here are other suggestions: Small household (1-2 people): Continuous flow HWS (gas or electric) or small gas storage HWS. Medium household (3-4): Gas systems (continuous flow or storage), or a heat pump.

Is Rinnai made in Japan?

Rinnai Corporation is a Japanese multinational company based in Nagoya, Japan, that manufactures gas appliances, including energy-efficient tankless water heaters, home heating appliances, kitchen appliances, gas clothes dryers and commercial-use equipment such as rice cookers, grillers, fryers and salamanders.

Is Rinnai made in Australia?

In Australia, Rinnai has three world-class manufacturing facilities located in Victoria and South Australia, supported by a large national sales and distribution network.

Where are Rinnai water heaters manufactured?

Located in Peachtree City, GA we have opened state-of-the-art distribution centers, research and training facilities and in 2018 opened our first manufacturing facility in Griffin, GA to assemble tankless water heaters in the United States.

Who makes the best tankless water heater?

Here, the best tankless water heaters for you to consider.

  • Best Overall, Natural Gas: Rinnai RL Series HE+ Tankless Hot Water Heater. …
  • Best Overall, Electric: Rheem Performance 7.

    Do you run out of hot water with a tankless water heater?

    Endless Supply of Hot Water A tankless water heater heats up water as you need it, and it brings hot water to your appliances quickly—and never runs out.

    Can a tankless water heater work for the whole house?

    Wholehouse tankless water heaters are larger and more powerful than point-of-use tankless water heaters. These models provide hot water to an entire house and have much higher flow rates and power inputs.

    How do I know what size tankless water heater I need?

    How to Select the Right Size Tankless Water Heater

    1. Determine the maximum number of devices you want to run and their total flow rate. Then, add up their flow rates (gallons per minute). …
    2. Determine required temperature rise. …
    3. Sizing Example: An average shower will be between 104–106° and uses 2.

      Can a tankless water heater fill a tub?

      Please remember that tankless water heaters also come in different sizes, and you need to get a unit that will deliver a strong flow to the tub. A small tankless water heater can take a long time to fill a large tub. Second, bite the bullet and just install a larger water heater in place of your present water heater.

      Which is better tankless or tank?

      For homes that use 41 gallons or less of hot water daily, demand water heaters can be 24%–34% more energy efficient than conventional storage tank water heaters. … In contrast, storage water heaters last 10–15 years. Tankless water heaters can avoid the standby heat losses associated with storage water heaters.