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Radiator sensors

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Danfoss radiator thermostats help people to obtain comfort in their homes. By maintaining constant desired room temperatures, individually or room by room, and by helping to reduce energy consumption.

They can save approximately 20% compared to a manually operated valve due to utilization of free heat gains and constant room temperature.

Robustly built and designed to meet the rigors of domestic life, we offer an extensive range of radiator thermostats that increase comfort and save energy.

Features and benefits

Ensures optimal confort at home, room by room.

The world’s only radiator thermostat with gas-filled sensor: One of the secrets of the radiator thermostat’s service life of over 20 years is the gas charged, precision-manufactured sensors. Unlike other fillings, gas maintains a high regulating capacity and reactivity.

How does a radiator thermostat work?

See how a Danfoss radiator thermostat works

Documents

Documents
Type Name Language Valid for Updated Download File type
Data sheet Adapters for thermostatic sensors Lithuanian Multiple 25 Jan, 2005 319.4 KB .pdf
Data sheet Adapters for thermostatic sensors English Multiple 08 Oct, 2014 273.2 KB .pdf
Data sheet Adapters for thermostatic sensors Latvian Multiple 08 Oct, 2014 303.2 KB .pdf
Data sheet Adapters for thermostatic sensors German Multiple 01 Aug, 2017 223.5 KB .pdf
Data sheet Éléments thermostatiques RAE French Multiple 08 Jan, 2013 7.4 MB .pdf
Data sheet FJVA Ukrainian Ukraine 26 Jan, 2014 1.0 MB .pdf
Data sheet FJVR Ukrainian Ukraine 26 Feb, 2014 1.8 MB .pdf
Data sheet RA Plus & RA-K Plus programmable radiator thermostat Latvian Multiple 27 Mar, 2011 1.1 MB .pdf
Data sheet RAE thermostatic sensors Spanish, Castilian Multiple 07 Sep, 2014 1.2 MB .pdf
Data sheet RAE thermostatic sensors Dutch, Flemish Multiple 07 Sep, 2014 1.1 MB .pdf
Data sheet RAE thermostatic sensors Romanian, Moldavian, Moldovan Multiple 07 Sep, 2014 1.3 MB .pdf
Data sheet RAE thermostatic sensors Hungarian Multiple 07 Sep, 2014 1.2 MB .pdf
Data sheet RAE thermostatic sensors Czech Multiple 07 Sep, 2014 1.2 MB .pdf
Data sheet RAE thermostatic sensors Dutch, Flemish Multiple 07 Sep, 2014 1.1 MB .pdf
Data sheet RAE thermostatic sensors English Multiple 07 Aug, 2014 1.3 MB .pdf
Data sheet RAE thermostatic sensors Italian Multiple 26 Apr, 2011 541.3 KB .pdf
Data sheet RAE thermostatic sensors German Multiple 12 Aug, 2020 1.3 MB .pdf
Brochure RAS-D2 Sales Leaflet English United Kingdom 10 Sep, 2014 573.8 KB .pdf
Data sheet Return temperature limiter type FJVR Swedish Multiple 06 Jun, 2013 951.5 KB .pdf
Data sheet Return temperature limiter type FJVR Czech Multiple 06 Jun, 2013 964.0 KB .pdf
Data sheet Return temperature limiter type FJVR English Multiple 06 Jun, 2013 955.3 KB .pdf
Data sheet Return temperature limiter type FJVR Lithuanian Multiple 06 Jun, 2013 958.9 KB .pdf
Data sheet Return temperature limiter type FJVR German Multiple 31 Aug, 2020 1.3 MB .pdf
Data sheet Return temperature limiter type FJVR English Multiple 03 Jun, 2013 660.9 KB .pdf
Data sheet Return temperature limiter type FJVR Danish Multiple 03 Jun, 2013 946.9 KB .pdf
Data sheet Return temperature limiter type FJVR Latvian Multiple 06 Jun, 2013 978.1 KB .pdf
Data sheet Return temperature limiter type FJVR Serbian (RS) Multiple 04 Nov, 2009 506.6 KB .pdf
Data sheet Return temperature limiter type FJVR Polish Multiple 03 Jan, 2016 1.0 MB .pdf
Data sheet Return temperature limiter type FJVR Romanian, Moldavian, Moldovan Multiple 19 Jan, 2016 1.0 MB .pdf
Data sheet Return temperature limiter type FJVR Ukrainian Multiple 19 Jan, 2016 1.0 MB .pdf
Data sheet Return temperature limiter type FJVR Slovak Multiple 19 Jan, 2016 1.0 MB .pdf
Data sheet Thermostatic Sensors RAS-C & RAS-CK Latvian Multiple 31 Aug, 2010 668.9 KB .pdf
Data sheet Thermostatic Sensors RAS-C & RAS-CK Lithuanian Multiple 19 May, 2016 303.4 KB .pdf
Data sheet Thermostatic Sensors RAS-C & RAS-CK English Multiple 04 May, 2011 8.8 MB .pdf
Data sheet Thermostatic Sensors RAS-C & RAS-CK Estonian Multiple 07 Nov, 2016 208.6 KB .pdf
Data sheet Thermostatic Sensors RAS-C & RAS-CK Romanian, Moldavian, Moldovan Multiple 15 Jul, 2015 484.7 KB .pdf
Brochure VHX, VHS-FX and VHS-RX - product sheet English Multiple 14 Sep, 2014 255.1 KB .pdf
Brochure VHX, VHS-FX and VHS-RX - product sheet Slovak Slovakia 20 Nov, 2014 370.1 KB .pdf
Brochure VHX, VHS-FX and VHS-RX - product sheet French France 18 Oct, 2015 410.8 KB .pdf

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FAQ

You save nothing by having one on full throttle and the others closed. In fact, a fully heated radiator will use more heat than 2 or 3 that are turned only a quarter of the up. This is especially true when you use district heating.

When ventilating a room, turn down your thermostat and leave the windows open for 5-6 minutes. If you don’t turn down your thermostat, it will react to the draft by heating up automatically.

Always maintain a minimum of 16 degrees in all rooms. Never go below 14 degrees; this might damage the building and cause dampness, condensation and mold.

Save energy and money by turning your radiators down 2-3 degrees at night. But remember: If you turn them down more than 3 degrees, the money you could save will be used on reheating the room again.

Videos