Features & Benefits
Changeable model for 2-pipe and 1-pipe systems
Only one model for different requirements
Suitable for installation as angle or straight form
For pipe connection to the wall or vertical to the floor
The thermostatic head can be mounted on the left or right
Thermostatic insert and shut-off insert are interchangeable
Supply and return connections can be arranged in any way
This makes it possible to avoid intersecting connection lines
Technical Information
Applications area:
Two- and one-pipe heating systems
Function:
Control
Stepless presetting
Shut-off
Dimensions:
DN 15
Pressure class:
PN 10
Temperature:
Max. working temperature: 120 °C, with cover 90 °C.
Min. working temperature: –10 °C
Materials:
Valve body: Corrosion resistant Gunmetal.
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass, PPS (polyphenylsulphide) and SPS (syndiotactic polystyrene)
The complete thermostatic insert can be replaced using the fitting tool without draining the system.
Spindle: Niro-steel spindle with double O-ring sealing. The outer O-ring can be replaced under pressure.
Cover: ABS
Surface treatment:
Valve body gunmetal, fittings are nickel-plated.
Marking:
TAH and II+ Designation. White protection cap.
Two horizontal arrows next to the TAH marking on the articles 9690-42.000 and 9690-43.000.
Radiator connection:
Adapters for R1/2 and G3/4, for radiator connections. Tolerance compensation ±1,0 mm with special union nuts and flexible flat seal system for installation free of tension.
Pipe connection:
G3/4 male thread for compression fittings for plastic, copper, precision steel or multi-layer pipe.
Connection to thermostatic head:
M30x1.5
Thermostatic head:
Thermostatic head Halo with closed graduation cap and liquid filled thermostat. High actuating force, minimum hysteresis, optimum closing time. Stable control response even with minor calculated p-band variations (<1 K). Conforming to German EnEV and/or DIN V 4701-10. Setting numbers 8–28. Frost protection. Temperature range 6 °C to 28 °C.
Articles
The Multilux 4 – Set consists of:– Multilux 4 thermostatic valve body– R 1/2 radiator connections– G 3/4 radiator connections– End caps for G 3/4 pipe connection– Cover– Thermostatic head Halo
Multilux 4 – Set
The Multilux 4 – Set consists of:
– Multilux 4 thermostatic valve body
– R 1/2 radiator connections
– G 3/4 radiator connections
– End caps for G 3/4 pipe connection
– Cover
– Thermostatic head Halo

Changeable from 2-pipe to 1-pipe operation
EAN | Article No | |
White RAL 9016 | 4024052993918 | 9690-42.800 |
Chrome-plated | 4024052994014 | 9690-43.800 |
2-pipe
EAN | Article No | |
White RAL 9016 | 4024052994113 | 9690-27.800 |
Chrome-plated | 4024052994212 | 9690-28.800 |
for copper or precision steel pipe according to DIN EN 1057/10305-1/2. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Metal-to-metal joint. Nickel-plated brass. With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.
Compression fitting
for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Metal-to-metal joint.
Nickel-plated brass.
With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.

Ø Pipe | EAN | Article No |
12 | 4024052214211 | 3831-12.351 |
14 | 4024052214310 | 3831-14.351 |
15 | 4024052214617 | 3831-15.351 |
16 | 4024052214914 | 3831-16.351 |
18 | 4024052215218 | 3831-18.351 |
for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Soft sealed, max. 95°C. Nickel-plated brass.
Compression fitting
for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Soft sealed, max. 95°C.
Nickel-plated brass.

Ø Pipe | EAN | Article No |
15 | 4024052515851 | 1313-15.351 |
18 | 4024052516056 | 1313-18.351 |
for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Nickel-plated brass.
Compression fitting
for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe | EAN | Article No |
12x1,1 | 4024052136018 | 1315-12.351 |
14x2 | 4024052134618 | 1311-14.351 |
16x1,5 | 4024052136117 | 1315-16.351 |
16x2 | 4024052134816 | 1311-16.351 |
17x2 | 4024052134915 | 1311-17.351 |
18x2 | 4024052135110 | 1311-18.351 |
20x2 | 4024052135318 | 1311-20.351 |
for copper or precision steel pipe with a wall thickness of 1 mm.
Supporting sleeves
for copper or precision steel pipe with a wall thickness of 1 mm.

Ø Pipe | L | EAN | Article No |
12 | 25,0 | 4024052127016 | 1300-12.170 |
15 | 26,0 | 4024052127917 | 1300-15.170 |
16 | 26,3 | 4024052128419 | 1300-16.170 |
18 | 26,8 | 4024052128815 | 1300-18.170 |
for Alu/PEX multi-layer pipe according to DIN 16836. Connection male thread G3/4 according to DIN EN 16313 (Eurocone).Nickel-plated brass.
Compression fitting
for Alu/PEX multi-layer pipe according to DIN 16836.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe | EAN | Article No |
16x2 | 4024052137312 | 1331-16.351 |
V-exact II with precision presetting.For thermostatic valve bodies with II+-designation.
Thermostatic insert
V-exact II with precision presetting.
For thermostatic valve bodies with II+-designation.

EAN | Article No |
4024052951611 | 3700-24.300 |
for Multilux 4 and V-exact II.
Setting key
for Multilux 4 and V-exact II.

EAN | Article No |
4024052035823 | 3670-01.142 |
Dividable in the middle, made of plastic, white, for various pipe diameters. Centre distance 50 mm.Overall height max. 31 mm.
Double rosette
Dividable in the middle, made of plastic, white, for various pipe diameters.
Centre distance 50 mm.
Overall height max. 31 mm.

EAN | Article No |
4024052120710 | 0520-00.093 |