User guide
13-20 
Radiator Thermostats
http://products.ecc.emea.honeywell.com/europe
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Return-temperature limiting thermostat with internal element. Good readability from every angle. 
Limiting and blocking of setpoint range without tools.
The Thera-RTL limits the return flow temperature of radiators or, in case of combined radiator/
underfloor heating systems, the return flow temperature of underfloor heating loops.
Accessories
Underfloor sets for the control of underfloor heating loops by return temperature or ambient 
temperature. Set 1 and 2 also for combined radiator/underfloor heating loops.
For underfloor heating loops or combined radiator/underfloor heating loops.
Thera-RTL (T6102) Return temperature limiter 
Setpoint blocking yes
Setpoint limiting yes
Body-head connection M30 x 1,5
Closing dimension 11,5 mm
Temp. element place internal
Temperature element wax-filled
Colour white to RAL 9010
Temp. setpoint range 20 ... 50
o
C
Type
T6102
Cover ring, white
TA1000A001
Trim ring, white
TA1000B001
Theft-protection ring, white
TA6900A001
Special screwdriver for theft-protection ring
TA6900B001
V2000DBB15
V2000DK315
V2000DK415
V2000DK515
V2000DUB15
V2000EBB15
V2000EK315
V2000EK415
V2000EK515
V2000EUB15
V2000HBB15
V2000IBB15
• • • • • • • • • • • •
T6102
Underfloor heating control sets for underwall installation (T6101, T6102) 
Setpoint blocking yes
Setpoint limiting yes
Medium type water or water-glycol mixture according to VDI 2035
Max. operating pressure 10 bar
Max. delta P 1 bar
Colour white to RAL 9010
Additional description Suitable connections see 'Connections for Radiator Valves'.
Product description Temp. setpoint range Kvs value
Type
o
C
Set 1 - Return temperature limiter with
visible thermostat
20 ... 50 1
T6102RUB15
Set 2 - Return temperature limiter with
concealed thermostat
20 ... 50 1,7
T6102AUB15
Set 3 - Room Control-Set 6 ... 28 1
T6101RUB15










