Model: RWH-3388 (Full Black Edition)
Capacity: Instant
Type of Pump: DC
Net Weight: 2.3kg
Colour: Black
Waterproof IP Rating: IP25
Package Included: Water Heater Handshower Set Mounting Hardware
Warranty (T&C’s Apply): 1 Year Parts Service / 5 Years Heating Element and Inner Tank

Categories: , Product ID: 6092


We provide Supply + Installation services only. For Enquiries or Bookings, Please Whatsapp to +65 8241 0032

Installation Fee Enquiry (Please Whatsapp to +65 8241 0032 for accurate quotation):

Price may vary depending on Job Scope Size & Complexity, i.e. Installation is done with no false ceiling, below false ceiling or above false ceiling

Cut and Repair False ceiling – Customised Quotation Required, depending on Job Scope Size & Complexity

Rubine RWH-3388 Instant Water Heater Full Black Edition

Experience the sensation of a natural rainfall with our innovative BOW 3388 instant water heater – the inverter DC pump series. This modern, low-noise DC pump water heater boasts a stylish design and stands out as a game-changer in the water heating industry. Not only does it deliver a 55% reduction in energy costs, but it also features a Tri-way diverter, allowing you to gather warm water for activities such as bathing your baby or handwashing clothes. Available in a sleek black finish with a matching fully black rain shower and a 3-function hand shower, this heater ensures you never have to worry about low water pressure again. We provide everything you need to transform your shower into a luxurious experience that rivals the best baths in the world.



Low Noise Inverter DC Pump

The silent operation of DC pump creates peaceful experience which is remarkably quiet at just <45db.

UK Technology Heating Element

UL approved standard. Fast and reliable in getting hot water.

Independent Thermo Cut-Out

Independent thermo cut-out protects water heater from overheating and scalding.

For Anti-Scalding Protection

Double safety thermostat for anti-scalding protection.


5 years warranty for heating element and tank.

RWH-3388 (Full Black Edition)


Type of Pump

Rated Power

Rated Voltage

Min. Working Pressure

Max. Working Pressure

Min. Flow Rate

Net Weight


Waterproof IP Rating

Package Included
Water Heater Handshower Set Mounting Hardware

Warranty (T&C’s Apply)
1 Year Parts Service / 5 Years Heating Element and Inner Tank