Heller FSK 505 Frost monitor
500 WMore than 10 pieces in stock at supplier
Product details
Wall-mounted unit
500 W
Thermostat setting range: +5 °C to +16 °C
Indicator light
Drip water protected
Advantages:
Compact electric convection heater for heating small rooms up to approximately 15 m³
Especially suitable for protecting rooms at risk of frost
Continuously adjustable thermostat
Elegant stainless steel housing
We would like to point out that due to the EU Directive 2009/125/EC of the European Parliament, which came into effect on January 1, 2018, we had to limit the rotation angle of the thermostat on-site (approximately 90 degrees) to comply with the requirements for the environmentally friendly design of individual room heaters; otherwise, the device could no longer be sold as a wall-mounted unit.
Due to this limitation, the device can no longer heat a room to a "comfortable temperature level for humans" (only up to a maximum of 16 °C), which means it no longer falls under the scope of the directive.
This means that in rooms above 16 °C, the device will not turn on at all, and the indicator light will not illuminate. This has no impact on the actual function of the device to keep a room frost-free. This limitation is described in the operating manual.
Radiator type | Convector heating |
Room area | 15 m² |
Heating capacity | 500 W |
Mounting type | Wall-mounted |
Power supply | Electrical connection |
Power consumption | 500 W |
Item number | 20006338 |
Manufacturer | Heller |
Category | Mobile radiators |
Manufacturer no. | 1.500.005 |
Release date | 24.11.2025 |
External links |
Colour | Silver |
Exact colour description | Stainless steel-white |
Material group | Metal |
Material | Steel |
Radiator type | Convector heating |
Room area | 15 m² |
Heating capacity | 500 W |
Mounting type | Wall-mounted |
Protection type (IP code) | IP21 |
Safety functions | Antifreeze |
Country of origin | China |
CO₂ emissions | 7,37 kg |
Climate contribution | EUR 0,18 |
Power supply | Electrical connection |
Power consumption | 500 W |
Scope of delivery | Frost monitor FSK 505 |
Length | 105 cm |
Width | 25 cm |
Height | 24 cm |
Weight | 1 kg |
Product Safety |
Length | 27.30 cm |
Width | 25.50 cm |
Height | 10.30 cm |
Weight | 1.22 kg |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Mobile radiators» category have a defect within the first 24 months?
Source: Galaxus- HellerNot enough data
- 1.Emke0,1 %
- 2.AEG Haustechnik0,4 %
- 3.Stiebel Eltron0,8 %
- 3.Xiaomi0,8 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- HellerNot enough data
- 1.Eurom0 days
- 1.Stiebel Eltron0 days
- 3.Hombli1 day
- 3.Schimmel Dry1 day
Return rate
How often is a product of this brand in the «Mobile radiators» category returned?
Source: Galaxus- HellerNot enough data
- 1.AEG Haustechnik1,6 %
- 2.Ariete2,2 %
- 2.Sonnenkönig2,2 %
- 4.Aeno2,4 %