Siena Electric Water Heater: Unvented 80L

£478.80 incl. VAT

The Rointe Siena unvented electric water heater is the ideal solution for domestic hot water. It includes 24/7 programming and Manual/Automatic modes to keep your hot water heating perfectly programmed.


This electric water heating system is packed with safety functions like anti-legionella and temperature evolution, where you can see the progress of water being heated. It has ceramic heating elements to heat quickly and efficiently, plus an enamelled steel tank and CFC-free insulation foam. The Siena electric unvented water heater is a reliable product that ensures hot water at the right temperature.


· 2400 W | Load profile: M (80 L)
· Vertical installation (can be wall-mounted or floor supported)
· Anti-legionella and energy-saving functions
· 24/7 programming
· TFT screen and compact control panel
· Manual / Automatic function
· Thermal break system
· Enamelled steel tank with magnesium anode
· Size: 80 L – 470 (di) x 777 (h) mm
· Maximum working pressure: 8 bars
· ½” water connection
· Guarantee: 5 years tank | 3 years electronics
· Suitable for: 1 – 2 users (80 L)
· Requires Rointe installation kit (sold separately)

EAN code:

Rointe domestic hot water heaters are manufactured with high-quality components and include extended guarantees for your peace of mind.


Our new range of innovative water heaters are the ideal solutions to meet your domestic hot water needs. With advanced products including connected, digital, basic, compact and instant along with an air source heat pump. From special enamel to protect the interior tank to an exclusive thermal break system, we ensure their reliability under any circumstance. They include the latest advances in safety and consumption measurement.


The Siena unvented electric water heater is the perfect solution for your domestic hot water needs and includes 24/7 programming, designed to make your life easier. It has useful Manual / Automatic modes, along with a Comfort and Eco mode for easy programming and temperature control.


The enamelled steel tank of this electric boiler has exceptional properties like corrosion and water leak prevention. Plus with a magnesium anode and ceramic heating elements to heat the water quickly, these safe and reliable hot water heaters provide maximum comfort. It also includes important safety functions like an exclusive thermal break system, plus anti-legionella function. Mandatory installation kit sold separately.

0/5 (0 Reviews)

Ceramic heating elements

Enamelled steel tank

Maximum working pressure: 8 bars

Protective magnesium anode

Thermal break system: reduces heat loss by up to 16%

Vertical installation

Touch control panel with TFT screen

Manual / Automatic function

User Mode

Anti-legionella function

Temperature evolution function

24/7 programming

Comfort / Eco / Anti-frost modes

Mandatory installation kit sold separately

Accesories available

Product Reference
A - Diameter 470 mm
B - Height (80 L model) 777 mm
C - Installed depth 487 mm
D - Distance between connections 100 mm
Load profile (80 L model) M
Empty weight (80 L model) 25.2 kg
Water connection 1/2"
Nominal power 2,400 W
Voltage 230 V ~
Current 10.4 A
Magensium anode
Maximum working pressure 8 bars
Tank insulation CFC-free polyurethane foam
Protection grade IP24
Finish: tank White
Finish: control panel Black
Product Reference - 80 litres model SWI080DHW4
EAN code - 80 litres model 8436045913555

Our guarantees are the best on the market.

Customer satisfaction always comes first for us, along with offering a high-quality product. That’s why this product is guaranteed for 5 years on the tank and 3 years on the electronics.


Technical Support

If you have any problems with your product or if you need help, call our Technical Support team on 0203 321 5929, send us an email to [email protected] or send a message using the form below. We will be in touch as soon as possible to help you.


Technical Support

Related products

£3,229.80£3,464.16 incl. VAT

Dalis Pro Electric Air Source Heat Pump: Tank 200L/260L

£504.00 incl. VAT

Rome WiFi Electric Water Heater: Unvented 80L

£134.40£147.00 incl. VAT

Venice Compact Electric Water Heater: Over Sink 10L/15L

£134.40£147.00 incl. VAT

Venice Compact Electric Water Heater: Under Sink 10L/15L