Features & Benefits

    Combination of thermostatic valve and return temperature limiter

    for bath or designer radiators and additional underfloor heating

    Shut-off barriers to radiators and underfloor heating

    for maintenance without interrupting operation

    Elegant covers

    white RAL 9016

    V-exact II presetting for hydronic balancing

    for radiators and floor heating circuit

    Technical description

    Applications area:

    Two-pipe heating systems
    Floor heating systems

    Functions:

    Individual room temperature control.
    Maximum limitation of the floor heating return temperature.
    Presetting (V-exact II) at thermostatic valve and return temperature limiter.
    Shut-off.

    Dimensions:

    DN 15

    Pressure class:

    PN 10

    Setting range:

    Thermostatic head DX:
    6 °C to 28 °C
    Return temperature limiter RTL:
    0 °C to 50 °C

    Temperature:

    Max. working temperature: 90°C
    Min. working temperature: 2°C
    For all Multibox models, ensure that the system supply temperature is suitable for setting up the floor heating system.
    See also Information!

    Materials:

    Valve body: Corrosion resistant Gunmetal.
    O-rings: EPDM rubber
    Valve disc: EPDM rubber
    Return spring: Stainless steel
    Valve insert: Brass, PPS (polyphenylsulphide)
    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:

    THE, RTL and II+ Designation. Flow direction arrows. White protection caps.
    H = Supply heating system
    HR = Return heating system
    F = Supply floor heating
    FR = Return floor heating

    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 and RTL head:

    M30x1.5, RTL with additional adaptor

    Articles

    The Multilux 4-F-Set - Set consists of:- Multilux 4-F thermostatic valve part,- Radiator connections R1/2,- Radiator connection G3/4,- White cover, RAL 9016,- Thermostatic head DX, white RAL 9016, for room temperature control - Thermostatic head DX-RTL including thermal bridge for return temperature control of underfloor heating circuit.

    Multilux 4-F-Set

    The Multilux 4-F-Set - Set consists of:
    - Multilux 4-F thermostatic valve part,
    - Radiator connections R1/2,
    - Radiator connection G3/4,
    - White cover, RAL 9016,
    - Thermostatic head DX, white RAL 9016, for room temperature control
    - Thermostatic head DX-RTL including thermal bridge for return temperature control of underfloor heating circuit.

    EAN
    Article No
    White RAL 9016
    4024052965915
    9690-57.800
    Accessories

    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 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

    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 Multilux 4-F and V-exact II.

    Setting key

    for Multilux 4-F and V-exact II.

    EAN
    Article No
    4024052035823
    3670-01.142

    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 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 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

    Multilux-4-F-without_cover_back

    Select a format Download

    Multilux-4-F-without_cover

    Select a format Download

    Wandabschlussplatte

    Select a format Download

    9690-57-000_G3_4

    Select a format Download

    9690-57-000_R1_2

    Select a format Download

    Technical specifications

    Installation instructions

    Drawings