A Look At The Whirlpool 40 Gallon Water Heater

The Whirlpool hot water heater comes at a relatively fair price of $300. While it has some advantages such as a six-year warranty, a Flame Lock to prevent flammable gases and vapors from accidentally causing fire, and an environment-friendly insulation to lock in heat and maximize efficiency it doesn’t come with a few distinct disadvantages.
Take a look at the pros and cons of the Whirlpool 40 gallon gas water heater below and decide whether the product will be able to suit your hot water needs at home if not you can take a look at out top ten water heater reviews or out list of other brands here.

  • Efficiency
  • Noise Level
  • Reliability
  • Up Front Cost


The Whirlpool 40 Gallon Water Heater super low up front cost great reliability but has some negative points read full review below.

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In this article we will look at

  • The Pros and cons
  • Conclusion
  • Video Review

Whirlpool 40 Gallon Water HeaterPros of the Whirlpool Water Heater

Whirlpool has been a trusted brand for generations, so any new product this juggernaut company comes up with is sure to be met with high hopes and expected to deliver quality performance. And sure enough, there are some Whirlpool water heater parts that got a thumbs-up from consumers.

Overall efficiency

One of them is its electronic gas valve, which was designed to have fewer moving parts than the conventional gas valve, hence boosting the durability and lifespan of the Whirlpool gas water heater. This innovation also means that no external power source is needed for the unit to operate.

It also has an LED status indicator which functions to monitor and report the unit’s operational status, as well as the aforementioned foam insulation that works to reduce heat loss for maximum efficiency, thereby saving you money in the long run.

Rust protection

The unit boasts of a ceramic tank lining and aluminum anode rode, which protects the Whirlpool 40 Gallon Water Heater from rust and corrosion, therefore extending its tank life.

Flame Lock safety system

The Flame Lock safety system is a unique feature of Whirlpool water heaters. It helps reduce the risk of accidental fire due to combustible vapors and has met the requirements set by the American National Standards Institute (ANSI). It also has a sealed combustion chamber.

Cons of the Whirlpool Hot Water Heater

Unfortunately, based on several Whirlpool 40 Gallon Gas Water Heater reviews, disgruntled customers are griping about this particular Whirlpool 40 Gallon Electric Water Heater. Here’s why.

Installation problems and design

There has been much talk about installation problems brought about by the pressure relief valve and poor workmanship. The Whirlpool gas water heater also sports an unusual design a left-handed threading for the thermocouple which means that replacement Whirlpool hot water heater parts would have to specially ordered since they are not easily available in the market.

Whirlpool water heater flame lock thermocouple

According to some Whirlpool hot water heater reviews, dissatisfied customers are complaining about their heaters randomly shutting down. This is because of the thermocouple, which regulates water temperature. Once the thermocouple breaks down, the entire unit shuts down which means no hot water at all.

What’s worse, even if you replace the thermocouple with a new one, it will eventually malfunction again.

Maintenance difficulties

Though its instruction manual claims that the flame trap and combustion chamber only need to be cleaned once a year, users of Whirlpool 40 gallon gas water heater found that in order for the thermocouple to keep working, it requires a cleanup every three months. This shouldn’t be much of a problem, except that the process requires 18 steps. It’s a rather complicated procedure, and for the normal user, cleaning these two Whirlpool hot water heater parts can take up a lot of time.

Review 40 gallon natural gas hot water tank


It is just too bad that Whirlpool is getting a lot of flak and bad press because of the Whirlpool 40 gallon water heater. The fact that this unit is not Energy Star certified only magnifies its downsides. However, if you are still keen on getting your own Whirlpool hot water heater, it is best to consult a professional and see how you can work around its flaws to ensure a headache-free water heating system for your home.