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Best Sellers

Rubine Space SPH 30S SIN 3.0 (I) Storage Water Heater

Model Rubine SPH 20S SIN 3.0 (I)
Capacity 30L
Rated Power 3000 W
Net Weight 11.3kg
Size (W x H x D) 495mm x 355mm x 375mm
Package Included Water Heater Pressure Relief Valve Mounting Hardware
Warranty period Parts & Services: 1 Yr; Heating Element: 5 Yrs; Tank: 5 Yrs
Warranty type Local (Singapore) manufacturer warranty

Champs A30 Pro Storage Water Heater

Model Champs A30 Pro Storage Water Heater
Size (W x H x D) 44 × 44 × 37 cm
Weight 15.7 kg
Warranty period Parts: 2 Yrs; Tank Leakage: 5 Yrs
Warranty type Local (Singapore) manufacturer warranty
Power 1500W

Champs A15 Pro Storage Water Heater

Model Champs A15 Pro Storage Water Heater
Size (W x H x D) 355 x 355 x 325mm
Weight 9.5kg
Warranty period Parts: 2 Yrs; Tank Leakage: 5 Yrs
Warranty type Local (Singapore) manufacturer warranty
Power 1500W

Mistral MSH303i Instant Shower Heater

Model MSH303i
Warranty period 1 year for internal parts 5 years for heating elements
Warranty type Local (Singapore) manufacturer warranty
Power Rating 3.3 kW

Product Buying Guide

Types of Water Heater


Instant heaters heat up the water as it flows through the heat exchanger before dispensing it immediately, instead of storing it with a tank. This is why it is also called a tankless or demand-type water heaters.

Instant Water Heater Parts
1 Heating Element, where the incoming cold water is heated
2 kW Control Switch, used to control water heater electricity
3 Flow Switch, used to detect the presence of water flow and turns on the system to heat the water
4 Temperature Valve, controls the flow of water which helps regulate the temperature of the dispensed water
5 Flow Restrictor, restricts and reduces the amount of water flowing through the pipe

A reason to opt for an instant water heater is that their relatively small size makes them a great fit within HDBs and condominiums since they do not require a storage tank.


A storage water heater is a water heater that includes a storage tank where heated water is kept ready for use at any time.

Storage Water Heater Parts

1. Stop cock, used to shut off the flow of cold water
2. Check valve, to ensure one direction of water flow
3. Vacuum relief valve, automatically allow air to enter into the piping system to prevent vacuum conditions
4. Temperature pressure relief valve, relieves the increase in pressure caused by water expansion during the water heating process

We are able to supply a wide range of storage heater brands includes Ariston, Rheem, Joven, Rubine, 707, and more, for our customers to pick the suitable choice.

Things To Consider When Choosing The Right Water Heater











The lack of a storage tank allows an instant water heater to be small and compact. Since it is relatively lightweight and does not take up much space, an instant heater installation/replacement service can be easily performed on the bathroom wall.

Conversely, a storage water heater is typically bulky, since it has a storage tank to store the hot water produced.

To install a storage water heater, one has to demarcate a dedicated area for the storage water heater. Some homeowners with the luxury of a false ceiling can opt to conceal it within the structure, as exemplified by one of our past projects above. This allows for a more aesthetically pleasing look. Conversely, since an instant water heater is usually installed directly onto the wall, the device and piping is highly visible.

The space requirement for the different water heater types can vary for different apartment types.

HDB BTO: Instant Water Heaters, and Storage Water Heaters up to 50 litres in storage capacity, such as the Ariston Pro RS J Storage Water Heater – 50L, can fit a typical BTO toilet.

HDB Resale or Private Property: Personalized modifications to the bathroom size and layout can affect the space available for a water heater installation. It is advisable to provide relevant photos and measurements when seeking professional help.

Not sure if your apartment has enough space to house a storage water heater? Not to worry! Our team of professionals are ready to help you make the right decision that best satisfies your specific needs. All you need to do is to contact us via Whatsapp at +65 8241 0032 with your requirements and we will handle the rest, supply + installation included!


Some homeowners may be looking to engage multipoint water heater installation/replacement services to provide hot water to multiple water points (e.g., kitchen, shower set, etc.).

Most storage water heaters are able to supply hot water to two or more water points (two bathroom + 1 basin). However, there is a need to consider one's unique needs to determine if there is a need to purchase a storage water heater with a higher storage capacity.

If multiple inhabitants require hot water simultaneously, it is advisable to install a storage water heater with a higher storage capacity to prevent the premature exhaustion of hot water during use. Otherwise, a 30L to 40L storage water heater should be sufficient for one's daily needs.

In contrast, installing an instant water heater can only provide hot water to one water point only. Even a multipoint instant water heater, such as the Bennington Multipoint Water Heater S630M, can only supply hot water to a maximum of two water points.


An instant water heater heats up the water as it passes through its heat exchange unit, then dispenses it immediately. Since the flow of water is typically lower in volume, it takes less time to heat up the water.

A storage water heater, on the other hand, has to heat up the entire tank of water, meaning that, it will take some time before it can dispense suitably hot water. The larger the storage tank, the longer time it will take to heat the water from room temperature.

For example, storage water heaters with a lower tank capacity, like the Rubine Space SPH 20S SIN 3.0 (I) Storage Water Heater, only needs 13 minutes to heat up the stored water. In comparison, larger models like the Rubine Space SPH 100B SIN 3.0 (I) Storage Water Heater can take up to 64 minutes to fully heat up the increased amount of water.

That said, a high quality storage water heater has good insulation capabilities, which allows it to minimize heat loss. This can help reduce the time needed to heat up the lukewarm water to the desired temperature.


Temperature consistency refers to how well a water heater can maintain a steady flow of hot water throughout its usage.

Owners of an instant water heater may wonder why their instant water heater’s temperature is not consistent. This is because the instant water heater constantly draws water when in use. This means that the water pressure is vulnerable to fluctuation.

Possible factors would include the temperature of the water that enters the water heater before heating. For example, instant water heaters that employ static heating heat the water at the same intensity. Therefore, the heated water that is produced can be colder than usual when it is raining heavily, or hotter when it is bright and sunny outside.

A storage water heater dispenses the water stored within its storage tank, meaning that the temperature will likely remain consistent during use (until depletion).


By design, an instant water heater operates as a system that reduces pressure – the flow restrictor slows down the incoming flow of water so that it can be heated up sufficiently before its immediate dispense. Additionally, since an instant water heater like the Ariston Aures Smart SMC33 Instant Water Heater draws water constantly when in use. Its water pressure will be dependent on the household’s overall water pressure. In Singapore, this is regulated by the Public Utilities Board.

A storage water heater like the 707 Close-Up15 Storage Water Heater draws water from its own storage tank, allowing for higher and more consistent water pressure. These storage units are typically installed at an elevated height like concealed above a false ceiling. This allows gravity to increase the water pressure.

This difference in water pressure means that, if you wish to install a rainshower system, you will need to have a storage water heater to provide the sufficient water pressure needed.



An instant water heater usually comes with an easy-to-access user interface that allows you to adjust the water temperature directly. Some models even allow you to set the water temperature digitally, as compared to the more traditional knob.

A storage water heater, on the other hand, will typically have the temperature set at the point of installation. Adjusting the water temperature at the tap will be controlled by a mixer tap, which can only give a rough positional estimate.


The water capacity of a storage water heater depends on the capacity of its storage tank. It ranges from a 15L tank such as the Rubine MT-15B Matrix Storage Water Heater, a 30L tank like the Champs A30 Pro Storage Water Heater, up to a 100L tank . Once the stored volume of hot water has been exhausted, the supply of hot water will be interrupted until the tank is refilled.

On the other hand, an instant water heater like the Champs Aries Instant Water Heater, dispenses hot water immediately after heating. This means that it can effectively produce a constant and unlimited supply of hot water. As a user, you will likely not have to worry about the hot water running out in the middle of usage. That said, in the event of a power outage, the instant water heater will not be able to provide hot water.


Since an instant water heater only heats water during usage, it typically consumes little energy when the demand for hot water is low. A storage water heater, on the other hand, has to heat up the entire tank of water. This means that the same low amount of hot water, it consumes more energy.

That said, there are additional factors that can affect your water heater’s energy consumption. These would include the heater’s energy efficiency rating, size, age, and more.


There are many reasons why rainshower sets are popular in Singapore. Full body coverage is one of them. But there are prerequisites to consider before you can install a rainshower. If you do not pair your rainshower with a suitable water heater, you may not be able to get the desired results.

Regular Instant Water Heater With Rainshower

Some instant water heaters may come with a rainshower set, such as the 707 Kingston Instant Water Heater with Rainshower. However, these are not actually authentic rainshowers. Instead, they tend to function like instant heater shower heads that are shaped to resemble a rainshower. This is because the water pressure that a typical instant water heater can provide is usually insufficient to support a rainshower set.

Instant Water Heater With Pump

Other instant water heaters with a rainshower set are built with a pump. Examples would include the Rubine RWH-2388 Instant Water Heater and the Rubine RWH-3388 Instant Water Heater. The in-built pump does help in improving the water pressure. However, the effiency may vary from model to model. Some models may even have pumps that emit quite a bit of noise when in use. This would be one of the things to note before having an instant water heater installed.

Storage Water Heater

For those who are looking to install a 15cm type rain shower, you will likely want to also install a storage water heater. Its higher water pressure allows you to enjoy the full capabilities of the rainshower. If you require a longer shower time, it is recommended to install a storage water heater with a slightly higher storage capacity.

Capacity Rainshower
25 L
35 L
1x 6" Rainshower
50 L
1x 8" Rainshower
1x 6" Rainshower + 1 Wash Basin
70 L 1x 10" Rainshower OR 2x 6" Rainshower
90 L
1x 8" Rainshower + 1x 6" Rainshower
1x 12" Rainshower




707 is a proud home-grown water heater and home appliances brand with a strong focus on family and personal wellbeing. With more than 50 years in the market, 707 has established a reputation for reliability, trustworthiness and safety.


Ariston is a reputable brand originating from Italy, which is among our best-selling water heater brands. They are a leading global expert in water heaters and heating products that provide people around the globe with Italian-designed, energy-efficient, and high-quality water heaters for a luxury and comfortable shower experience.


Champs has strategically positioned itself as a multi-disciplinary company that engages in the design, development and distribution of electric water heaters. Their full suite of solutions combines form with function to match every consumer’s unique preferences.


Mistral offers high-quality water heating technology from the United Kingdom. Throughout the years, it has been giving utmost safety with their double-safety device – bringing ultimate protection to their customers. Their instant water heaters can withstand low and high water pressure, offering reliability and durability.


Rheem is an industry leading water heater company for water heaters. It was established in the 1920s in San Francisco, California. They have a local manufacturing company set up in Singapore, providing renowned hot water systems, suited for our environment, designed just for consumers.


Rubine is a leading and established Italian brand in the bathroom and kitchen industry. Within a span of 15 years, Rubine has built a strong presence in many markets in the region. Known for its contemporary design, functionality and quality. Rubine continues to develop products which embellish customers’ homes and offers practical benefits.

Bennington has managed to manufacture water heaters especially made for tropical climates like most countries in Southeast Asia, up to temperature climates like Mongolia in North-Central Asia. Bennington have also extended their popularity up to cities in South America, Europe, and China.

Joven is a well-established brand with over 35 years of history. They started out in 1983 and made their way to the top in the water heater industry. The company is a manufacturing company for the JOVEN brand of water heater. Their products are designed with quality thoughts for the end-user in line.



The price of a water heater is a universal factor when it comes to choosing between instant and storage water heaters.

At comparable quality, the instant water heater is typically cheaper than a storage water heater. This is because the storage water heater comes with a storage tank, which instant water heaters do not.

The additional component is not only more challenging to install, but also requires additional and/or reconfiguration of existing piping. This drives up the installation price for a storage water heater. You may wish to consult a storage water heater installation guide to ensure that the installation process is completed without a hitch.


The product cost for the different water heater types typically range around:

Instant Water Heater

Instant Water Heater
Base Price Range
$100 - $200
Installation Price Range
From $100

Storage Water Heater

Storage Water Heater
Base Price Range
$200 - $400
Installation Price Range
From $180

Need to replace your water heater but unsure of how much the whole supply + installation package is going to cost? Contact us via WhatsApp us today with your requirements! Our team of professionals will gladly assist you in finding and installing the right water heater for your house.


An instant water heater like the Champs Vela Instant Water Heater, does not come with a storage tank, nor its accompanying components. Thus, there are less parts that require regular maintenance, like water heater leaking services.

As such, hiring a professional water heater specialist to have an instant water heater installation will not damage your wallet as much as a storage water heater would.

Additionally, if a storage water heater is concealed above a false ceiling, the hassle of accessing it and the subsequent patching up handiwork will most likely lead to a costlier maintenance bill.

To ensure that you don't incur unnecessary costs, it is important to engage a professional installation service that comes with a workmanship warranty.


Why Is My Water Heater Corroding?

A corroded water heater can deprive you of clean water for your showering needs. This could happen as a result of a defective sacrificial anode rod. It may also be because of too much air inside the tank due to improper plumbing. Otherwise, the glass lining of your heater might have just worn out as a result of being in use for a long time.

What Are The Risks of A Leaking Water Heater?

A water heater leak is one of the biggest issues you can face. Despite this, some homeowners fail to have it resolved right away. If your water heater continues to leak, there are many risks that could arise:

  • Possible Water Heater Explosion
  • Defective Heating Element
  • Dirty Water
  • Property Damage
  • Mould
  • Electrocution
Should I Have A New Water Heater Installed?

Although there are companies that provide water heater repair services, some water heater issues can only be resolved by installing a new water heater. If you’re unsure whether you need a new water heater installed, look out for the following signs:

  • Water Heater Is Leaking
  • Water Heater Is Too Old
  • Water Heater Produces Odd Noises
  • Water Heater Supplies Rusty Water
  • Thermostat Problems
  • Lack of Hot Water
How Do I Choose The Best Water Heater Installer?

When installing a new water heater, don’t just go with any company. Take note that a water heater installation will only be successful if you choose the right water heater installer. Here are tips to help you find the best water heater installer:

  • Check The Company’s Reputation
  • Confirm That The Company Is Well-Established
  • Make Sure The Company Is Experienced
  • See To It That The Company Is Licensed and Insured
  • Check The Tools and Technology Used By The Company
  • Make Sure The Company Is Certified
  • Look At The Company’s Servicing Costs
How Do I Prepare For A Water Heater Replacement?

If you decide to change your water heater, preparation is extremely important. This will help to prevent any water heater installation issues and make the whole process more efficient. There are a number of ways you can prepare for a water heater replacement:

  • Turn Off The Heater’s Electricity Supply
  • Make Sure Your Heater Has Enough Ventilation
  • Drain Your Water Heater Tank
  • Plan For Electrical Access


What do I need to do when I experience a problem with my unit?

Please reach out to us directly. Our specialists will be able to identify the root cause of the problem and advise the corresponding solutions.

  • If the issue(s) lies with the installation/workmanship for products which we engaged to install, we will be able to rectify it directly.
  • If the issue(s) lies with the installation/workmanship for products which we were not engaged to install, we will recommend you to liaise with the installer responsible.
  • If the issue(s) lies with the product itself, we will recommend you to contact the respective customer service centre directly.
What is covered under the warranty?

Installation/Workmanship Warranty

For any issues with the installation or workmanship, please feel free to reach out to us directly.

Product Warranty

Different product models have different warranty periods and coverage. These information are typically available on the product pages itself.

For more information, please contact the respective customer service centre directly.

What happens if I need to repair my unit after the warranty?

Please contact the respective customer service centre for any queries relating to the product warranty.

If I have lost my warranty card or my document for proof of purchase, am I still entitled for warranty claims?

Warranty card and proof of purchase must be available for any warranty claims.

My product's warranty period has expired. I have just engaged the manufacturing brand for their service on my product. For how long is my product insured?

Please contact the respective customer service centre for any queries relating to the product warranty.