Rad fan bought last year and only used for a few weeks is not working and the green light on the plug is flashing anyone have the same problem

Mine too all of a sudden, did you work out cause?

I have low surface temperature radiators, will the heat sensor still activate the fans or can it be bypassed

So long as the surface temperature reaches a minimum of 40˚C then the fans will activate.

Which of the fans are more effective in heating up the room? The ones that clip on the top or the bottom of the radiator?

Hi, not sure about the ones that clip on top as our radiator is in a cabinet and the one that goes on top wouldn't have fitted. I can say that i originally got the slim small and didn't notice much of a difference so sent it back and got the medium with the 4 fans which made a noticeable difference and the room heats up quicker now.

i tried attaching it to the radiator, but its not magnetic so wont attach? what am i missing?

The fan is a sort of L Shape with a lip that comes up the front of the radiator. The magnets are in that lip and that should sit on the front of the radiator.

Slim Small Low Power Radiator Fan

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Description

🔥 Slim power, big warmth — your radiator’s new best friend!

SMART HEAT SENSING - Automatically powers on/off between 0°C and 88°C, optimizing warmth and energy savings without lifting a finger.
EFFORTLESS WARMTH BOOST - Transforms small rooms by actively circulating trapped radiator heat for instant cozy vibes.
PLUG PLAY INSTALLATION - Magnetic mount and 60-second setup—no electrician or plumber needed, perfect for busy pros.
SLEEK SPACE SAVVY DESIGN - Slim 47.5cm profile fits most radiators discreetly, ideal for tight spots behind furniture or under shelves.
ULTRA EFFICIENT WHISPER QUIET - Runs at just 2 watts with a gentle hum that blends seamlessly into your home office or living space.

The Radfan Slim Small is a compact, energy-efficient radiator fan designed to boost heat circulation in smaller rooms. Measuring 47.5cm long and consuming only 2 watts, it uses smart heat sensing technology to automatically activate between 0°C and 88°C. Easy to install with magnetic mounting in under a minute, it quietly enhances warmth from radiators trapped behind furniture or in cabinets, helping you save on heating bills while staying cozy.

Specifications

Manufacturer	Radfan
Part Number	Slim
Product Dimensions	47 x 7.6 x 7.5 cm; 390 g
Item model number	Slim
Size	Slim Small
Colour	White
Material	ABS
Power Source	AC/DC
Voltage	12 Volts
Wattage	2 watts
Item Package Quantity	1
Number of Pieces	1
Measurement System	Metric
Batteries Required?	No
Item Weight	390 g

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Slim Small - Low Power Radiator Fan

Description

Specifications

Common Questions