Stiebel Eltron AQ Series Singlepoint Water Heater (3.5kW | 4.5kW)


  • Low pressure compatible at 1.2 LPM
  • Stepless Thermostat Control Knob
  • Earth Leakage Sensing Device (ELSD) equipped
  • Automatic / Manual Thermostat Reset
  • Flame retardant PCB
  • Available in 3.5kW and 4.5kW
  • 5-year warranty on heating element / 1-year warranty on parts and service


Stiebel Eltron AQ Series

Small but tough!

The Stiebel Eltron AQ series is the most compact form factor specifically designed for smaller hot water demands.

The Stepless Thermostat Control Knob lets you dial in your preferred temperature setting every time.

The unit is turned on via a Reed Switch. Stiebel Eltron water heaters only need a minimum of 1.2 Liters per Minute (LPM) to activate, we really designed our heaters to be Low Pressure Compatible!

The Stiebel Eltron AQ Series was designed with you in mind, both models comes with our patented 3 – point protection for your peace of mind;

1. Earth Leakage Sensing Device (ELSD) – senses if there is a fluctuation or surge in your power supply and shuts off the whole system completely.

2. Automatic / Manual Reset Thermostat – the human skin can only tolerate up to 55°C, in rare instances that the water would rise above 55°C, the Thermostat will automatically reset and heating would stop until it goes back down below 55°C. This can also be reset manually by the user.

3. Fire-Retardant PC Board – the electronics in the heater are protected with IP24 / IP25 splash proof rating, in rare cases that sparks may occur that may lead to combustion within the heater, the PC Board is designed not to ignite and burn, eliminating the chance of fire.

Lastly, walk away confident that you are backed with a 5-year Warranty on the Heating Element and 1-year on Parts and Labor.

Warranty Period

5 years on heating element

1 year parts and services

What’s in the box

One (1) unit Stiebel Eltron AQ-35E/AQ45E

One (1) unit Stainless Steel Flexible hose 1/2″ x 1/2″ x 30cm

One (1) unit Straight Elbow 1/2″

One (1) unit Straight Elbow 1/2″ x 2″

One (1) piece Royal Cord 1 meter

One (1) Shower Set with Rail and Accessories

Additional information

Weight 5.19 kg
Dimensions 22.5 × 49 × 16.5 cm

AQ-35E (3.5kW), AQ-45E (4.5kW)


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