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New and Exclusive Walk In Showers And Wet Rooms By Milano New and Exclusive Walk In Showers And Wet Rooms By Milano
Valves Not Included

Terma Aero - Stone Horiztonal Designer Radiator 325mm x 1200mm

Ref: WGARH032120AYL


Availability: Out Of Stock (Due 12/03/2018)

    ON ORDERS ABOVE £250.00

Please Note - that by pre ordering this item you will authorise us to automatically charge your account for the full amount of the order. This is to ensure you reserve your item from the next available stock, and that your order will be shipped on the estimated shipping date as shown above.

BTU Calculator

Radiator efficiency, is measured in British Thermal Units (BTU). The dimensions of a room are used to calculate the BTU output required to heat that room. Radiators all have a known and calculated BTU output. Using the BTU outputs in the Product Specification or description above, it is easy to calculate the size of radiator you need to help provide the total heat output necessary for your room.

How to calculate BTU requirement

The best way is to ask your plumber to perform the calculation for you. If you don't have access to a plumber, you can use the BTU Calculator below as a guide. Please note that the calculated figure relates to the combined heat output of all radiators in the room, therefore the towel rail or radiator that you purchase need not satisfy the entire BTU output if it is used to complement existing radiators.

This calculator is for guidance use only.

1. Please select your required units
Metric (metres) Imperial (feet)
2. Please enter room measurements
Height of room:
Width of room:
Length of room:
Window Area x²:
3. Please select type of room:
4. What is below the room?
5. What is above the room?
6. Please select type of outside walls:
7. Please select type of windows:
8. Please select number of outside walls:

Watt/BTU requirements:
Watts Required: 
BTU's Required: 

Thanks to its outstanding heat output of 1862 BTUs, the Terma Aero 325x1200mm horizontal designer radiator quickly and effectively transforms your room into a warm and welcoming space.

Featuring stunning contemporary looks and a stone finish, this designer radiator will bring any room in your home right up-to-date.

The Aero designer radiator has a steel construction so you can be assured of quality and durability.

Please note: radiator valves not supplied.

Terma Aero Stone Designer Radiator Features:

  • Finish: Stone
  • 325mm x 1200mm x 45mm
  • Contemporary design
  • Quality steel construction
  • BTU: 1862
  • Watts: 546
  • Includes fixings

Please note: Outputs are stated at delta T30, T50 and T65. Additionally, valves are not included with these items, but can be purchased separately.


Dimensions (H x W x D)325 x 1200 x 45
StyleHorizontal Designer Radiator
Width (mm)1200
Height (mm)325
Output (btu)1862
Output (watts)546
CE Marked / EN442Fully Certified
Inlet Size1/2
Installation TypeCentral Heating
Maximum Pressure13 Bar
BTU at Delta T30682
Wattage at Delta T30200
BTU at Delta T501324
Wattage at Delta T50388
Pipe centres (mm)50 (mm approx)
Projection From Wall (mm)76
Internal Volume (L) 4.57
Guarantee8 Years


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Here at we operate a 14 days return policy, so if you are not completely satisfied with your purchase(s) you'll be able to return it within 14 days of its delivery.

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Our hotline is open Monday to Thursday 8.30am to 10pm. Friday and Saturday 8.30am to 5pm. Sunday Closed. Full details of our returns policy can be found here.

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