Rheem Instant Water Heater Buying Guide

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An instant water heater is something that you will find present in every home in Singapore. Installed water heaters make things convenient due to the fact that you can take a hot water shower, clean your laundry, wash your dishes, and for any other purposes with hot water. 

While some people in Singapore use a storage water heater, most people prefer using a tankless or instant water heater. Instant water heaters offer a supply of endless hot water, for they can lower your utility bills, help save space, and do not need maintenance that much.

If you have decided to get an instant water heater installed, you must be wondering which brand and model you should get. Rheem Water Heater is a name that is gaining more popularity in Singapore.

Rheem water heaters ensure you always enjoy perfect hot water. They will help make your bathroom look even more attractive. Let us get to learn more about these wonderful heaters so that you clearly understand what exactly makes them such a popular choice.


Rheem Instant Water Heater Features


Recirculation Pumps

Many Rheem instant water heaters make use of recirculation pumps. These basically are specialized components that heat the water as soon as it starts to recirculate in case any open faucet is not using them. This further increases your water heater energy efficiency, and thus you will be saving even more money. 

Recirculation pumps are popular with top water heaters because you will never have to wait to enjoy hot water in their presence. If you desire to use hot water as and when you please, you must make sure the instant water heater you opt for has a recirculation pump that the Rheem water heater has.

Heating Elements

Rheem instant water heater uses a high-quality Incoloy heating element that is highly durable and anti-rust. 



If you choose a Rheem water heater you are sure to enjoy endless savings and endless benefits, a few of which we shall share with you right away.

Maximize Hot Water

Installing Rheem water heater makes things easy due to the fact that you can do your house chores instantly like the laundry or when you have to clean the dishes with hot water, while for the other types of water heater it can take longer.

Minimize Cold Water Bursts

A Rheem instant water heater pumps water in an internal loop. The electric water heater always has available hot water when you need it and as much of it as you want through a heat exchanger.

Save Energy


An instant Rheem water heater has been designed in a way to produce hot water only when you require it. There are important facts you should know about instant water heaters and that is you can save energy and money as well.

Save Space

Unlike storage water heaters, a Rheem water heater is relatively small and sleek. This will help you save much space in your bathroom especially if you want to replace your water heater. Particularly, if you live in a small apartment with tiny bathrooms, this will prove to be even more worthwhile.


Rheem Instant Water Heater Models

Now that you have learned about the features and benefits of Rheem water heaters, let us discover a few popular Rheem water heater models in Singapore.

Rheem RTLE-33P Platinum Electric


The quiet DC pump will not make a faulty water heater, making you enjoy a relaxing bathing experience. Furthermore, what you shall like about this Rheem RTLE-33P is a 3-in-1 compact valve and six spray modes that enable you to enjoy different shower experiences. To give you an extra touch of comfort and elegance, a rain shower has also been included.

The software in this Rheem water heater prevents overheating and thus scalding as well. The outgoing and incoming temperature sensors will help you set the outgoing temperature to your preferred setting. Furthermore, the internal electrical components of your heater shall always be free from water heater leakage, all thanks to the splash-proof case.

The Incoloy heating element will make the instant storage water heater last you for a very long time, and it is also replaceable. The heating chamber here is made of stainless steel that protects against rust and corrosion, thus making sure your heater keeps serving you for a long time and avoids costly water heater repair.

Rheem RTLE-33M Prestige Plus


The quiet DC pump of Rheem water heater RTLE-33M will give you tremendous water pressure while creating hardly any noise. With the six spray modes of this water heater, you can enjoy different varieties of shower experiences.

One of the factors that affect the cost of a Rheem water heater is that the software of Rheem RTLE-33M Prestige Plus prevents overheating and scalding. It even has outgoing and incoming water temperature sensors that help make sure the outgoing water temperature will be at the setting you desire. The model has also been designed in a way that you will not have to worry about any electric shock which is a common misconception about instant water heaters.

You will enjoy the great service of your installed water heater model of Rheem RTLE-33M Prestige Plus instant water heater for a very long time because its Incoloy heating elements are highly durable. The heating element is also replaceable even after long usage. If there is a water heater issue with the heating element. You do not need to replace the entire water heater but just get the heating element replaced by a professional like Water Heater City Singapore.

Each of our experts has years of experience, and they shall change your heating elements in no time at all because you will not have to wait long before you can use your heater yet again. Furthermore, if there are any other issues with your heater, we shall find that as well, and suggest you the best solution.

Rheem RTLE-33B Prestige


With Rheem RTLE-33B Prestige, you will get to enjoy great water pressure, with no problems of sound, thanks to the extremely quiet DC pump. You have 3 spray modes here to offer you varieties of showering experiences.

Rheem RTLE-33B Prestige has software to prevent water heater problems like overheating and scalding. And, just like the other two models that we just discussed, you can control the outgoing water temperature here using the temperature sensors. 

The electric shock protection and the splash-proof case are one of the things you should consider when buying a new water heater.

In this Rheem water heater model too Incoloy heating element has been used that makes it long-lasting and common among best selling brands of water heater due to the fact that it can be replaced when needed. The heating chamber of Rheem RTLE-33B Prestige is made of stainless steel which shall prevent rust and protection that is why you have nothing to worry about at least for many years.



There are many things you need to know before buying a Rheem water heater unit in Singapore to avoid risking your water heater safety. Some may cost more because of their features, the materials used for the product, its energy efficiency, its benefits, and the space where you will install your instant or storage water heater. It is important to ask for help from a water heater service provider to inform you about these guides if you are having a hard time choosing what Rheem water heater model you will purchase. At Water Heater City Singapore, we will guide you with the right Rheem water heater that will suit your budget or space.


Water Heater City Singapore is your trusted partner for comprehensive water heater services. With over a decade of experience, we pride ourselves on being a reliable water heater company. Our services such as water heater installation/replacement including instant water heater services installation and storage water heater installations are done efficiently by our expert team. Moreover, we will ensure your storage water heaters are Licensed Installation with PUB Submission and all works comply with standards prescribed/stipulated by PUB. If required, we are also able to open a false ceiling, patch it back up, and paint it to restore it to its original condition. 

We supply a wide selection of water heaters from top brands like Ariston, Rheem, Joven, 707, Rubine, and Champs. With a proven track record of successful past projects and a number of positive customer reviews on Google and Facebook, we ensure every service we provide will be done efficiently and with the utmost attention to detail. Contact us on WhatsApp at +65 8241 0032 for transparent quotations and honest pricing for all your water heater needs!