50+ Years in
Singapore

Trusted by Singapore Families

Energy Efficiency Ratings 4 ticks

SAFETY Mark

IP25 Splash
Proof

Why Choose a 707 Instant Water Heater?

When selecting a new instant water heater in Singapore, choose one that brings you complete peace of mind — All 707 products are registered under the Consumer Protection (Safety Requirements) Registration Scheme and is affixed with a valid SAFETY Mark.

Instant Hot Water, No Waiting

Unlike storage water heaters that maintain a tank of pre-heated water, a 707 instant water heater heats water only when you turn on the tap. You get hot water in seconds — and not a single watt is wasted on standby heat loss.

 

Multiple Safety Protections Built-In


Every 707 instant heater is built with layered safety features — including Double Safety Anti scald protection, Double Pole Residual Current Device (RCD) and Overheat Warning Indicator— so your family can enjoy safe showers every time.

Rain Shower Ready

Our instant heater rain shower models are designed to sustain consistent water pressure and temperature even with a wide-head rainfall shower system, giving you a spa-like experience without compromising hot water flow.

Compact Design, Simple Installation

The slim, wall-mounted unit takes up minimal bathroom space — ideal for Singapore HDB bathrooms where every square foot matters. The clean, modern finish suits both newly renovated and existing bathrooms alike.

Lower Operating Costs Over Time


A lower-priced heater may be more expensive to operate and maintain over its lifetime. 707 instant water heaters strike the right balance between upfront cost, energy efficiency, and long-term reliability — a smart investment for your household.

Backed by Decades of Experience in water Heater

As a preferred residential water heater supplier for generations of Singapore families, 707 understands the requirements of Singapore homes — from HDB plumbing layouts to safety requirements and water pressure.

Features Designed for the Ultimate Shower Experience

707 instant water heater is built with safety, reliable hardware, and durability performance — whether you’re upgrading an HDB bathroom or fitting out a new home.

From entry-level instant water heaters to premium instant water heater with rain shower, our range covers every household size and shower preference. Do consider the water flow rate, the frequency of usage, and your household size when making your selection — our team is always on hand to guide you.

“Instant water heater units heat water only when you need it and never run out of hot water. It is a small and compact unit that mounts on the bathroom wall.”


— 707 My Family Heater, Product Guide

 

Anti-Scald & Thermal Cut-Off


Built-in thermal protection prevents water temperature from exceeding safe limits — especially important for households with young children or elderly family members.

Double Pole Residual Current Device (RCD)

Cuts off power supply immediately when leakage current is detected.

Compact Wall-Mount Form

Slim-profile housing fits neatly onto any bathroom wall without obstructing fixtures or requiring structural modifications to your HDB unit.

Energy-Efficient Heating Element

High-efficiency copper heating elements convert electricity directly into heat — minimising energy waste and keeping monthly utility bills in check.

Stepless Power Selector 

Provide precision control over water temperature so every member of the household can set their preferred shower temperature quickly and without fuss.

Frequently Asked Questions (FAQs)

Yes — Water heater installation performed by licenced personnel in compliance with local authority regulations and according to the installation instructions stated in the user manual & installation guide are safe. All 707 products are registered under the Consumer Protection (Safety Requirements) Registration Scheme and is affixed with a valid SAFETY Mark. There are multiple built-in protection features, including Double Pole Residual Current Device (RCD), Double Anti-Scald protection and leakage protection. All 707 instant water heater are IP25 Splash Proof for use in wet areas. We recommend consulting our customer service team if you have any concerns about your specific installation environment.

Instant water heaters are generally more energy-efficient than storage water heaters because they heat water only on demand, eliminating standby heat lost whereas storage water heater need heat up the whole tank and will have standby heat lost when not in use.

The actual electricity consumption depends on the wattage of the unit, how long it runs, and how frequently you shower — but most Singapore households find their monthly utility bills reduced after switching from storage water heater to an instant water heater.

In most cases, yes. 707 instant water heaters are designed with Singapore’s HDB bathroom dimensions and plumbing configurations in mind. However, a site assessment is always recommended to verify that your electrical supply, water inlet pressure, and wall-mounting position are suitable, and that the installation will comply with HDB’s building code and safety requirements.

707 instant water heaters are priced to suit a wide range of households and renovation budgets, from dependable everyday models to premium units with luxury rain shower sets included. Rather than choosing on price alone, it is worth knowing that every model in the range carries the same 50-year quality commitment, Singapore safety certification, and a 5-year tank warranty as standard. Visit the 707 online shop to explore the full range and find the right fit for your home, or speak with a 707 specialist who can match a model to your bathroom, your household size, and your budget.

A 707 instant water heater in Singapore requires a dedicated electrical circuit, with the specific wattage and circuit rating depending on the model you choose. Installation should be carried out by a licensed electrician to ensure your home is safe and compliant with Singapore’s regulatory requirements. This is not something to leave to guesswork: the right installation protects your family, preserves your warranty, and means your heater performs exactly as it should from the first shower. A 707 specialist or your appointed electrician can assess your existing wiring before installation and confirm everything is in order. Get in touch with the 707 team to find out more.

Yes, and 707 has a model built specifically for this. The Kingston Instant Water Heater features an Inverter DC Booster Pump that lifts water pressure efficiently, so households that have struggled with weak flow can still enjoy a powerful, consistent shower, including with the Kingston’s 11-inch HydroSpa Ace Rain Shower Set. If your home has standard HDB mains pressure, most other models in the range will perform without a booster pump. Not sure which applies to you? Speak with a 707 specialist and get a recommendation tailored to your home.

In most cases, no. Installing a 707 instant water heater in your Singapore HDB or condominium bathroom does not require replacing your existing shower set. 707 instant water heaters are designed to connect to standard shower sets and plumbing fittings, which means upgrading your water heater does not have to mean a full bathroom overhaul. If you are choosing a premium model such as the Kingston or the Princeton, the shower set is included: the Kingston comes with the HydroSpa Ace Rain Shower Set and the Princeton with the Oracle-Slim rain shower head, so you get the full upgrade in one. Your installer can confirm compatibility with your existing fittings during a site visit, with no obligation to commit before you are ready.

All 707 instant water heater models carry a 4-tick energy efficiency rating under Singapore’s NEA Mandatory Energy Labelling Scheme (MELS), the highest tier currently available for electric instant water heaters in Singapore. Where the models differ is in the shower experience, they are built to deliver.

The Briston and Luxton are built for households that want proven, no-fuss performance: reliable hot water every morning, straightforward controls, and the peace of mind that comes from a brand Singapore families have trusted for over 50 years.

The Protek, Princeton, Queenston, and Kingston are for households that want more: enhanced safety systems, stepless temperature control, luxury shower sets, and, in the case of the Kingston, a built-in booster pump that transforms low-pressure bathrooms into spa-like shower experiences.

Browse the full range or speak with a specialist to find the model that fits your home and your shower.

No, and that is one of the quiet advantages of choosing an instant water heater. Unlike storage heaters, which draw electricity continuously to maintain a tank of hot water, 707 instant water heaters activate only when you open the tap and stop the moment you close it. There is no standby energy draw, no wasted electricity, and nothing to remember to switch off. For most households with standard shower usage, this makes them the more energy-efficient choice over the long term, with lower running costs to match. It is one less thing to think about, which is exactly how a good water heater should feel. For storage water heaters, 707 does recommend switching the unit off when not in use. See the 707 warranty and product care page for model-specific guidance.