User guide
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Radiator Thermostats
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Theft-protected thermostatic radiator valve head with internal wax-filled sensing element. Special 
fixing nut to prevent unscrewing. Suitable for
• all Honeywell thermostatic radiator valve bodies or valve inserts, and
• all thermostatic radiator valve bodies and compact radiator valve inserts with M30 x 1,5 connections 
and 11,5 mm closing dimension.
For use in warm-water heating systems
• on thermostatic radiator valve bodies, or
• on compact radiator valve inserts.
Accessories
T100 MMIL Theft-protected radiator thermostat 
Approvals EN215
Setpoint blocking no
Setpoint limiting no
Closing dimension 11,5 mm
Body-head connection M30 x 1,5
Temp. element place internal
Temperature element wax-filled
Colour white to RAL 9010
Zero-position no
Cover cap Honeywell
Additional description Security lock can only be removed with special tool (WT100MIL) 
and is reusable.
Temp. setpoint range Temperature scale
Type
o
C
20 ... 20 –
T100MMIL-101
16 ... 20 1..3
T100MMIL-231
16 ... 22 1..4
T100MMIL-241
16 ... 24 1..5
T100MMIL-251
Special tool to remove T100 MMIL thermostats
WT100MIL










