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Prisma Conservatory Electric Radiator

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Our Prisma Conservatory electric radiators are an energy efficient conservatory heater designed for dwarf walls. This conservatory heater with thermostat is fully programmable and Lot 20 compliant.

Window Open Technology

Window Open Detection - Automatically detects if a window has been opened (up to 4% energy savings)

24/7 Digital Programming

24/7 Digital Programming - Daily and weekly schedule for total control

Digital thermostat

Precise Digital Thermostat - For maximum accuracy

no installation

Simply Plug In - No mess, no fuss

Free Next Day Delivery



2 Years

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Lot 20

Lot 20 Ecodesign Compliant

All our products have been manufactured in compliance of New Lot 20 regulations of ECODESIGN directive. The aim of this legislation is to remove inefficient technologies and reduce the energy used by the products that heat our homes, helping to achieve our overall carbon reduction targets.

Product Overview

The Prisma range of conservatory electric heaters use the latest control features and high-quality materials to give you maximum control of your comfort and savings. These low height electric radiators are perfect for dwarf walls in conservatories, orangery’s and other areas where low profile electric radiators are required. This range of electric conservatory radiators come in 4 different sizes and use high inertia thermal fluid giving you a fast heat up time, warmth for longer and a stable surface temperature for high quality heat. Using the latest thermostats, accurate to 0.2 of a degree, this oil filled radiator for conservatory is easy to fit using basic DIY skills. No pipes, no fuss, no mess.

Radiator Size Guide

It is important to get the right sized electric radiator for your room to ensure optimal functioning. Use our table below or for further information take a look at our size guide page.

Wattage Room Size (m2)
Poor Good
900 watt 7m2 9m2 420mm 640mm 95mm 12kg
1300 watt 10m2 13m2 420mm 880mm 95mm 17kg
1500 watt 14m2 15m2 420mm 960mm 95mm 19kg
1800 watt 16m2 18m2 420mm 1200mm 95mm 24kg

Delivery Details

Electric Radiator Solutions offer FREE DELIVERY on all products to mainland UK and Scottish Islands.

As part of our free delivery offer we can deliver next day* if required, or on any weekday of your choosing. Free delivery offer is available Monday to Friday only. Saturday delivery is available but carries a surcharge. Offer excludes bank holidays.

*Next day delivery is available to Parcelforce Zone 1 areas only. Orders must be placed before midday the day before. Please click here for areas where next day delivery is not available.

For more information on delivery options click here

Product Reviews

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  • Price
    Great Product & Service

    Review by Ron on 11/06/2019

    Very pleased with our heaters. We actually used this one in our Living room as the window is quite tall with a low height wall underneath. This radiator was a perfect fit and does the job.

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