DEVIreg™ 850

DEVIreg™ 850 is used for outdoor ground or roof applications (1-4 sensors). The digital, intelligent sensors provide the thermostat with information about both moisture level and temperature, which gives the most optimal control of the heating system. Devireg™ 850 can be used for all types of outdoor applications.

It is a dual zone system, meaning you can divide your area in 2 zones, e.g. a North and South side. You can also prioritize between the zones, e.g. if you have limited power output.

With the Devireg 850 you can make 2 zones with ground sensors, 2 zones with roof sensors, or 2 zones with both ground and roof sensor, making the products both match the needs of the residential and commercial applications.

If correctly adjusted, you can save 60% on ground systems and 40% on roof systems on operating costs compared with a simple air temperature thermostat.

DEVIreg™ 850

Technical data

 NameDescription Scale SettingResistive load
IP class

DEVIreg™ 850

Details Devireg™ 850 no sensors 230V ~ 15A IP 20
Details Devireg™ 850 no sensors 230V ~ 15A IP 20


Case Stories
Case story - Ankara Protekol Road
Ankara Protekol Road.pdf (0.2 Mb), Literature number: VZIWG102, Language: English, Release date: 10/10 2014
Case story - Congress Square - Ljubljana
Congress Square - Ljubljana.pdf (0.8 Mb), Literature number: VZIWH102, Language: English, Release date: 13/10 2014
Case story - The situla building, ljubljana
Situla City.pdf (0.2 Mb), Literature number: VZIWD102, Language: English, Release date: 10/10 2014
Case story - Örebro Castle
Orebro Castle.pdf (2.0 Mb), Literature number: VZIWI102, Language: English, Release date: 20/10 2014
DEVI ice and snow melting systems provide safe access to the Sofia Metro (Devi)
Sofia Metro.pdf (5.6 Mb), Literature number: VZHQB202, Language: English, Release date: 13/10 2014
The National Azerbaijan Boxing Federation Office
Azerbaijan Boxing Federation Office v1-2.pdf (0.9 Mb), Literature number: VZJXF102, Language: English, Release date: 28/05 2015

DEVI Product Catalogue
DEVI Product Catalogue April_19.pdf (16.8 Mb), Literature number: VKLUE202, Language: English, Release date: 27/05 2019
DEVI Product Catalogue
DEVI Product Catalogue May18 .pdf (8.3 Mb), Literature number: VKLUE102, Language: English, Release date: 07/02 2017

Data sheet
DEVIreg™ 850
DS - DEVIreg 850_VDIIR302.pdf (0.4 Mb), Literature number: VDIIR302, Language: English, Release date: 28/02 2018

DEVIreg 850
08097060.pdf (1.9 Mb), Literature number: VICKM502, Language: English, Release date: 30/06 2018
Devireg 850 Sensor
Devireg_850_sensor_08095360.2.pdf (0.5 Mb), Literature number: VICKT202, Language: English, Release date: 19/02 2009

VBMNB102_DEVI_Ice&Snow_EndUser_4p.pdf (0.4 Mb), Literature number: VBMNB102, Language: English, Release date: 14/01 2016


Details USB to Serial Link For Devireg 850
Details Prog. cable for devireg 850