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Jandy jxi 400 Pool Heater Reviews

June 22, 2021 By Pool Guy Leave a Comment

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Who doesn’t love stepping into a pool after a long and a tiring day? The kind of freshness and relaxation that diving into a pool brings cannot be merely put into words. That said, the experience is not as desired when the temperature of the pool is not the way you wanted. Now that the temperatures are dipping with every passing day, the need of a warm pool is at an all-time high. How do we deal with this situation now? Well, there is absolutely nothing to worry about as the advancement in technology has led to the evolution of a pool heater.

The right pool heater is all you need to get that perfect relaxation – something that your mind and body needs, considering how hectic our schedule gets. On that note, in this article, we will talk about Jandy Pro Series JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N – one among the latest models you will find in the market. Keep reading to learn about this heater in detail and what features does it possess and is investing in it worth the money.

ParameterJandy Pro Series JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater - JXI400N
BrandJandy
ManufacturerJandy
Model numberJXI400N
Dimensions40 x 24 x 28.5 inches
Weight151 pounds
ColorGrey
Heater TypeNatural Gas
BTU Rating400,000 BTUs
Voltage240 v. 120 also available.
Frequency60 Hz
AssemblyRequired
Connection2 Inch Male Threaded
Easy installationYes
Easy startYes
Footprint2’ x 2’
Energy efficientYes
MaterialCorrosion-resistant stainless steel header bar
Application CompatibilityiAqualink
Mobile CompatibilityYes
ControlDigital
SafetyDifferentiated limit switches
Warranty5 years
CSA certifiedYes
Fault message indicatorYes
Minimum flow rate30 gallons per minute
Maximum flow rate100 gallons per minute
Corrosion resistanceYes
Temperature controlYes

jandy jxi 400 000 btu heater

Design – This pool heater has a design that draws attention from everywhere across. Additionally, this being a lightweight product makes it easy to carry from one place to another. It has a smaller footprint as well. 

Installation – In this fast paced life, we a struggle to make time for all the tasks. That said, no one would want to spend hours in getting a product assembled. It is here that Jandy Pro Series JXi 400K BTU deserves a special mention. The whole installation is just a matter of a few minutes.

Energy efficiency – It is a common belief that products like air conditioners, heaters, etc. consume a lot of energy and thus result in high bills. If you have been bothered about the same all this while and if this is the reason as to why you refrained from buying a pool heater then JXi 400K BTU is the one for you. It has surpassed a range of strict DOE energy efficient requirements and also boasts of 84% thermal efficiency rating. All this makes it low on the energy consumption aspect.

Durability – No matter which product we choose to invest in – we would want it to last tong. Taking about JXi 400K BTU, the durability needs no special mention. This boasts of corrosion-resistant stainless steel header bar that paves the way for extreme heat exchanger durability.

Compatibility – What can get better than being able to operate the heater using your mobile device? This pool heater allows you to do this. Using the iAqualink application, one can control this heater. Well, not just that. This heater is compatible with iAqualink automation systems thereby allowing the control from anywhere and at any point in time.

Heating formula – One of the remarkable features of this pool heater that is definitely worth a mention is that it is used for just about 3.5% of average annual pump runtime. The heater claims that for the rest of the time, it can be bypassed. Because of this, you are ultimately saving a lot on the electricity bills.

Digital control – The users can make use of the digital interface for effortless temperature control. Can it get any better?

Warranty – This heater comes with a warranty period of 5 years. You can download the user manual from here.

Safety – Safety is something no one compromises on. When you rely on JXi 400K BTU, you can stay assured of the safety standards being met. Here, you get differentiated limit switches that talk about the same.

Replacement – Jandy Pro Series JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N comes with an easy replacement policy.

Pros & Cons

Pros
  • This is a lightweight product, thus making it easy to carry it from one place to another.
  • It boasts of 84% thermal efficiency rating.
  • The whole installation process of this heater is just a matter of a few minutes.
  • Using the iAquaink application, one can control this heater.
  • It comes with a corrosion-resistant stainless steel header bar that throws light on extreme heat exchanger durability.
  • The heater consumes very less energy. Therefore, the electricity costs incurred wouldn’t be an issue to be bothered about.
  • JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N has surpassed strict safety standards.
  • It has a small footprint.
  • Easy to access digital control interface talks about user comfort.
  • This heater can be operated using a mobile device.
  • Great warranty period.
Cons
  • Some users complained of having dealt with issues pertaining to the transformer.
  • There could be leakage problems arising after prolonged use of the unit.
  • Customer service might not be satisfactory.

Conclusion

During chilly weather conditions, a warm pool environment is all that we crave for. On that note, JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N boasts of delivering a hot pool experience. Though it is loaded with features, the users seem to be not that impressed by the product. They are of the belief that what this heater claims to deliver is far from reality. Many users are of the firm belief that improvements in certain areas hold the potential to take this heater to a different level altogether.

Frequently asked questions

Does JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N come fully assembled?
No. This heater is not fully assembled. The user is required to complete the assembly in order to operate the heater.

What is the use of an electrical panel?
The whole purpose of including an electrical panel is to make the whole set up process convenient and easier than ever. 

How does the Bypass Technology work?
The Bypass Technology is such that it automatically directs the flow of water through the heat exchanger when heat is needed and around the heater when heating is not needed.

Is Jandy Pro Series JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater – JXI400N CSA certified?
Yes, Jandy Pro Series JXi 400K BTU is CSA certified.

How do the high limit switches work?
The main objective of the high limit switches is to prevent water of excessive temperatures from being discharged from the heater. What happens here is that if either of the switches sense excessive temperature, the gas valve will close and later, the combustion will stop.

Why is there an air pressure switch in this heater?
The reason behind employing a pressure switch is to monitor the vacuum (negative pressure) within the blower housing. How it does this is by sensing pressure to verify that the air is flowing through the combustion system. If by any chance, the air flow is inadequate, the combustion will stop and an error / fault will be displayed.

What does the check flow fault message indicate?
If the display shows the fault message as check flow then any of the below mentioned reasons could be the reason as to why such a message pops up – 

    • The pump pressure is low.
    • The variable um seed is set to too low.
    • Fault in the pressure switch.
    • The pump is not running.

What purpose does sidewall ventilation serve?
The main purpose of sidewall ventilation is to ensure easy installation and also to provide versatility.

What could be the possible reasons for the pump not operating?
The most common reasons as to why the pump is not operating are – 

  • There is no power.
  • Issues with the wiring.
  • The um could be defective.
  • The time clock settings might not be synchronised with the actual time.

What is the voltage and the frequency of the electrical supply?
The heater comes with 240 volts, 60 Hz field electrical supply.

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