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Atlantic Oniris 1250W Electric Radiator - AH503912

Quick Find Code: AH503912

2 Year Warranty
Free Next Day Delivery!*
  • 1250W output delivers effective warmth for small to medium-sized rooms
  • Modern and sleek appearance that complements any interior decor
  • User-friendly control panel for precise temperature adjustments
  • Silent performance ensures a peaceful environment
  • Built with high-quality materials and advanced safety features for reliable long-term use

Atlantic Oniris 1250W Electric Radiator - AH503912

Quick Find Code: AH503912

2 Year Warranty
Free Next Day Delivery!*
  • 1250W output delivers effective warmth for small to medium-sized rooms
  • Modern and sleek appearance that complements any interior decor
  • User-friendly control panel for precise temperature adjustments
  • Silent performance ensures a peaceful environment
  • Built with high-quality materials and advanced safety features for reliable long-term use

£281.66 (inc. VAT)

Show ex. VAT

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Product

Power
Consumption

Height

Width

Depth

Timer

Status

Price

Qty

Atlantic Oniris 1250W Electric Radiator - AH503912

Power
Consumption 1250 W

Height 615 mm

Width 909 mm

Depth 110 mm

Timer

In Stock

£281.66

(inc. VAT)

Attribute Value

Atlantic Oniris 750W Electric Radiator - AH503907

Power
Consumption 750 W

Height 615 mm

Width 613 mm

Depth 110 mm

Timer

Sold Out

£269.95

(inc. VAT)

Attribute Value

Atlantic Oniris 1000W Electric Radiator - AH503910

Power
Consumption 1000 W

Height 615 mm

Width 761 mm

Depth 110 mm

Timer

In Stock

£263.66

(inc. VAT)

Attribute Value

Atlantic Oniris 1500W Electric Radiator - AH503915

Power
Consumption 1500 W

Height 615 mm

Width 1058 mm

Depth 110 mm

Timer

In Stock

£317.66

(inc. VAT)

Attribute Value

Atlantic Oniris 2000W Electric Radiator - AH503920

Power
Consumption 2000 W

Height 615 mm

Width 1205 mm

Depth 110 mm

Timer

Sold Out

£397.95

(inc. VAT)

Attribute Value

Add To Cart

Product Overview

The Atlantic Oniris 1250W Electric Radiator (AH503912) delivers exceptional comfort, elegant design, and intelligent heating control, making it a premium choice for modern homes and offices. With a powerful 1250W output, it provides efficient warmth for medium-sized rooms, blending style and advanced technology in perfect harmony. Its slimline, contemporary design enhances any interior, while the durable aluminium front panel ensures optimal heat diffusion and long-lasting reliability.

Featuring dual heating technology, the Oniris combines radiant and convection heat to create fast, even warmth and a natural, comfortable atmosphere. The digital electronic thermostat offers precise temperature control and helps to reduce energy consumption, while its intuitive LCD display makes it easy to program daily or weekly heating schedules. This ensures warmth when you need it most and savings when you don’t.

Engineered for both performance and safety, the Oniris includes open window detection, overheat protection, and silent operation—making it ideal for living rooms, bedrooms, and workspaces. Its wall-mounted installation saves floor space and promotes efficient heat distribution. Finished in a clean, modern style, the Oniris 1250W is a perfect balance of form and function, designed to deliver lasting comfort with a touch of sophistication.

Downloads

Download oniris-specsheet

Specification

Battery BackupYes
Current Amps5.4 A
Display TypeDigital
Domestic or CommercialDomestic
Eco ModeYes
Frequency50 Hz
Frost ProtectionYes
Heating FunctionYes
IP RatingIP24
LCD DisplayYes
Main Switch Rated Current240 A
MountingWall
power consumption1250 W
Smart Home CompatibleYes
ThermostatYes (Integrated)
Type Of HeaterElectric Radiator
Voltage230 V
Wattage1250 W
WirelessYes
Depth110 mm
Height615 mm
Weight15.4 kg
Width909 mm

We always aim to dispatch your order for delivery on the next working day. Simply place your order before the same-day dispatch cut-off time. The countdown timer on the product page shows this cut-off time. While we work with trusted couriers, delivery times cannot be guaranteed.

Free UK Delivery on All Qualifying Orders Over £50. Orders under £50 will incur a £5.90 Delivery Fee.

This Excludes Delivery to the Scottish Highlands, Offshore Islands and Northern Ireland. These will be charged at an extra rate, which will be calculated at the checkout.

Heavier Items may also incur an extra fee.

Compare the range

oniris.png
AH503912
£281.66
Battery backup
Current amps
5.4 A
Display type
Digital
Domestic or commercial
Domestic
Eco mode
Frequency
50 Hz
Frost protection
Heating function
Ip rating
IP24
Lcd display
Main switch rated current
240 A
Mounting
Wall
Power consumption
1250 W
Smart home compatible
Thermostat
Yes (Integrated)
Type of heater
Electric Radiator
Voltage
230 V
Wattage
1250 W
Wireless
oniris.png
AH503907
£269.95
3.3 A
Digital
Domestic
50 Hz
IP24
240 A
Wall
750 W
Electric Radiator
230 V
750 W
oniris.png
AH503910
£263.66
4.3 A
Digital
Domestic
50 Hz
IP24
240 A
Wall
1000 W
Yes (Integrated)
Electric Radiator
230 V
1000 W
oniris.png
AH503915
£317.66
6.5 A
Digital
Domestic
50 Hz
IP24
240 A
Wall
1500 W
-
Electric Radiator
230 V
1500 W
oniris.png
AH503920
£397.95
8.7 A
Digital
Domestic
50 Hz
IP24
240 A
Wall
2000 W
Yes (Integrated)
Panel Heater
230 V
2000 W