Features & Benefits

    Integrated flow limiter

    Eliminates over flows

    Simple adjustment of the flow

    to various heating loads

    For out-of-true installation offsetting up to 6° on each side

    Adjustable fitting for all wall structures, 30 mm depth compensation

    Technical description

    Applications:

    Floor heating systems, wall heating systems, combined floor/radiator heating systems

    Functions:

    Multibox Eclipse K:
    Individual room temperature control,
    Automatic flow limiting,
    Shut-off,
    Venting
    Multibox Eclipse RTL:
    Maximum limitation of the return temperature,
    Automatic flow limiting,
    Shut-off,
    Venting
    Multibox Eclipse K-RTL:
    Individual room temperature control,
    Maximum limitation of the return temperature,
    Automatic flow limiting,
    Shut-off,
    Venting

    Dimensions:

    Valve body DN 15.
    The flush box has an overall depth of 60 mm.
    Flexible mounting thanks to variable spacing between flush box and cover of up to 30 mm.
    The cover can compensate for slanted mounting of the flush box of up to 6° on each side.
    See also Dimensions.

    Pressure class:

    PN 10

    Setting range:

    Thermostatic head K: 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!

    Flow range:

    The flow can be stepless pre-set within the range: 10-150 l/h.
    Factory setting: Commissioning

    Differential pressure (ΔpV):

    Max. differential pressure:
    60 kPa (<30 dB(A))
    Min. differential pressure:
    10 – 100 l/h = 10 kPa
    100 – 150 l/h = 15 kPa

    Material:

    Valve body: Corrosion resistant Gunmetal
    O-rings: EPDM rubber
    Valve disc: EPDM rubber
    Return spring: Stainless steel
    Valve insert: Brass, PPS (polyphenylsulphide)
    Spindle: Niro-steel spindle with double O-ring sealing. The outer O-ring can be replaced under pressure.
    Plastic parts of ABS and PA.
    Sensor element: Thermostatic head K with liquid filled sensor. Return temperature limiter (RTL) filled with an expansible medium.

    Surface treatment:

    Cover and visible graduation cap in white RAL 9016.

    Marking:

    THE, flow direction arrows, II+ Designation.

    Pipe connection:

    Pipe-side G 3/4 adaptor with cone suitable for compression fittings for plastic, copper, precision steel and multi-layer pipe.

    Articles

    with thermostatic valve

    Multibox Eclipse K

    with thermostatic valve

    Colour
    EAN
    Article No
    Cover and thermostatic head K white RAL 9016
    4024052902415
    9318-00.800

    with thermostatic valve and return temperature limiter (RTL)

    Multibox Eclipse K-RTL

    with thermostatic valve and return temperature limiter (RTL)

    Colour
    EAN
    Article No
    Cover and thermostatic head K white RAL 9016
    4024052902316
    9317-00.800

    with return temperature limiter (RTL)

    Multibox Eclipse RTL

    with return temperature limiter (RTL)

    Colour
    EAN
    Article No
    Cover and RTL thermostatic head white RAL 9016
    4024052902514
    9319-00.800
    Accessories

    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
    15
    4024052214617
    3831-15.351
    16
    4024052214914
    3831-16.351
    18
    4024052215218
    3831-18.351

    for copper or precision steel pipe with a 1 mm wall thickness. Brass.

    Support sleeve

    for copper or precision steel pipe with a 1 mm wall thickness.
    Brass.

    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

    when maximum installation depth exceeded.Brass nickel-plated.

    Spindle extension for RTL thermostatic head with Multibox Eclipse RTL

    when maximum installation depth exceeded.
    Brass nickel-plated.

    L
    EAN
    Article No
    20
    4024052500215
    9153-20.700

    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 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
    14x2
    4024052134618
    1311-14.351
    16x2
    4024052134816
    1311-16.351
    17x2
    4024052134915
    1311-17.351
    18x2
    4024052135110
    1311-18.351
    20x2
    4024052135318
    1311-20.351

    White RAL 9016.

    RTL Thermostatic head especially for Multibox Eclipse RTL for reverse-flow temperature control

    White RAL 9016.

    Setting range
    EAN
    Article No
    0 °C - 50 °C
    4024052595112
    6510-00.500

    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

    with automatic flow limiter for Eclipse.

    Replacement thermostatic insert

    with automatic flow limiter for Eclipse.

    EAN
    Article No
    4024052940912
    3930-02.300

    Replacement for Multibox K/Multibox AFC K, Multibox RTL/Multibox AFC RTL and Multibox K-RTL/Multibox AFC K-RTL.

    Frame and cover plate

    Replacement for Multibox K/Multibox AFC K, Multibox RTL/Multibox AFC RTL and Multibox K-RTL/Multibox AFC K-RTL.

    Colour
    EAN
    Article No
    White RAL 9016
    4024052489671
    9300-00.800

    for Eclipse. Color orange.

    Setting key

    for Eclipse. Color orange.

    EAN
    Article No
    4024052937714
    3930-02.142

    specially for converting Multibox K/Multibox AFC K into Multibox K-RTL/Multibox AFC K-RTL.

    RTL insert and RTL thermostatic head

    specially for converting Multibox K/Multibox AFC K into Multibox K-RTL/Multibox AFC K-RTL.

    EAN
    Article No
    RTL insert
    4024052497812
    9303-00.300
    RTL thermostatic head
    4024052275311
    6500-00.500

    when maximum installation depth exceeded.

    Spindle extension for K thermostatic head with Multibox Eclipse K and Multibox Eclipse K-RTL

    when maximum installation depth exceeded.

    L
    EAN
    Article No
    Brass nickel-plated
    20
    4024052528813
    2201-20.700
    30
    4024052528912
    2201-30.700
    Plastic, black
    15
    4024052553310
    2001-15.700
    30
    4024052165018
    2002-30.700

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    Drawings

    2D3D