Features & Benefits

    One-pipe version with mass flow rate distribution 50/50%, simple definition of heating capacity correction factors

    Two-pipe version with V-exact II presetting

    Various thermostatic valve bodies adapt to every type of installation

    Body made of nickel-plated corrosion-free gunmetal

    Technical description

    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 protection cap or actuator 100°C.
    Min. working temperature: -10°C.

    Materials:

    Distributor:
    Valve body: Corrosion resistant Gunmetal.
    O-rings: EPDM rubber
    Valve disc: EPDM rubber
    Spindle: Brass

    Thermostatic valve body:
    Valve body: Corrosion resistant Gunmetal.
    O-rings: EPDM rubber
    Valve disc: EPDM rubber
    Return spring: Stainless steel
    Valve insert: Brass
    The complete thermostatic insert can be replaced using the fitting tool without draining the system.
    Spindle: Niro-steel spindle with double O-ring sealing.

    Other:
    See "Articles" and "Accessories".

    Surface treatment:

    Valve body and fittings are nickel-plated.

    Marking:

    Two-pipe:
    Thermostatic valve body: THE, country code, flow direction arrow, DN and KEYMARK-Designation. II+ -Designation.
    White protection cap.
    Distributor: THE, flow direction arrows.

    One-pipe:
    Thermostatic valve body: THE, flow direction arrow, DN.
    Blue protection cap. Blue stuffing box.
    Distributor: 50/50, THE, flow direction arrows.

    Pipe connection:

    M24x1,5 male thread for compression fittings for copper or precision steel pipe.

    Connection to thermostatic head and actuator:

    HEIMEIER M30x1,5

    Articles – Two-pipe system

    With white protection cap.Nickel-plated gunmetal.

    Axial thermostatic valve body V-exact II

    With white protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2")
    4024052838110
    3710-02.000

    Without shut-off.Nickel-plated gunmetal.

    Two-pipe distributor

    Without shut-off.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2")
    4024052210817
    3800-02.000

    With white protection cap.Nickel-plated gunmetal.

    Double angle thermostatic valve body V-exact II

    With white protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2")
    Connection to radiator – left
    4024052839117
    3713-02.000
    DN 15 (1/2")
    Connection to radiator – right
    4024052839414
    3714-02.000

    for precision steel pipes. Female thread connection Rp1/2.Metal-to-metal joint.Brass nickel-plated.

    Compression fitting

    for precision steel pipes.
    Female thread connection Rp1/2.
    Metal-to-metal joint.
    Brass nickel-plated.

    EAN
    Article No
    4024052175017
    2201-15.351

    With white protection cap.Nickel-plated gunmetal.

    Straight thermostatic valve body with bended nipple V-exact II

    With white protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2")
    4024052840717
    3756-02.000

    For precision steel pipe. Male thread connection M24x1.5.Nickel-plated.

    Compression fitting

    For precision steel pipe.
    Male thread connection M24x1.5.
    Nickel-plated.

    EAN
    Article No
    4024052211616
    3800-15.351

    With shut-off.Nickel-plated gunmetal.

    Two-pipe distributor

    With shut-off.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2")
    4024052211913
    3801-02.000

    For supply pipe. Chrome-plated. Ø 15 mm. 1100 mm long.

    Precision steel pipe

    For supply pipe.
    Chrome-plated.
    Ø 15 mm. 1100 mm long.

    EAN
    Article No
    4024052214518
    3831-15.169
    Articles – One-pipe system

    For precision steel pipe. Male thread connection M24x1.5.Nickel-plated.

    Compression fitting

    For precision steel pipe.
    Male thread connection M24x1.5.
    Nickel-plated.

    EAN
    Article No
    4024052211616
    3800-15.351

    For supply pipe. Chrome-plated. Ø 15 mm. 1100 mm long.

    Precision steel pipe

    For supply pipe.
    Chrome-plated.
    Ø 15 mm. 1100 mm long.

    EAN
    Article No
    4024052214518
    3831-15.169

    With blue protection cap. Nickel-plated gunmetal.

    Straight thermostatic valve body with bended nipple

    With blue protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2")
    4024052180110
    2244-02.000

    With shut-off.Nickel-plated gunmetal.

    One-pipe distributor 50/50

    With shut-off.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2")
    4024052212811
    3803-02.000

    With blue protection cap. Nickel-plated gunmetal.

    Double angle thermostatic valve body

    With blue protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2”)
    Connection to radiator – left
    4024052184118
    2341-02.000
    DN 15 (1/2”)
    Connection to radiator – right
    4024052183616
    2340-02.000

    for precision steel pipes. Female thread connection Rp1/2.Metal-to-metal joint.Brass nickel-plated.

    Compression fitting

    for precision steel pipes.
    Female thread connection Rp1/2.
    Metal-to-metal joint.
    Brass nickel-plated.

    EAN
    Article No
    4024052175017
    2201-15.351

    With blue protection cap. Nickel-plated gunmetal.

    Axial thermostatic valve body

    With blue protection cap.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1/2”)
    4024052180516
    2245-02.000

    Without shut-off.Nickel-plated gunmetal.

    One-pipe distributor 50/50

    Without shut-off.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2")
    4024052212514
    3802-02.000
    Accessories

    White plastic (RAL 9016). Can be divided in the centre.For various pipe diameters. Distance between center points 35 mm.Total height max. 32 mm.

    Double rosette

    White plastic (RAL 9016). Can be divided in the centre.
    For various pipe diameters.
    Distance between center points 35 mm.
    Total height max. 32 mm.

    EAN
    Article No
    4024052210718
    3800-00.093

    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.

    L
    Ø Pipe
    EAN
    Article No
    25,0
    12
    4024052127016
    1300-12.170
    26,0
    15
    4024052127917
    1300-15.170
    26,3
    16
    4024052128419
    1300-16.170

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2.Male thread connection M24x1.5. Nickel-plated.For pipe wall thicknesses from 0.8–1 mm, apply support sleeves.For details, refer to the pipe manufacturer.

    Compression fitting

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
    Male thread connection M24x1.5.
    Nickel-plated.
    For pipe wall thicknesses from 0.8–1 mm, apply support sleeves.
    For details, refer to the pipe manufacturer.

    Ø Pipe
    EAN
    Article No
    12
    4024052211210
    3800-12.351
    15
    4024052211616
    3800-15.351
    16
    4024052211814
    3800-16.351

    For connecting to plastic, copper, precision steel or multi-layer pipes.Nickel-plated brass.

    Length adjustment fitting

    For connecting to plastic, copper, precision steel or multi-layer pipes.
    Nickel-plated brass.

    L [mm]
    EAN
    Article No
    25,0
    4024052298518
    9715-02.354
    50,0
    4024052298617
    9716-02.354

    3831-15-169

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    3800-02-000_w_shut-off

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    3803-02-000

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    3802-02-000-4c-hi

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    3800-02-000

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    Frontpage-Duolux

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    3801-02-000

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    3800-02-000-4c-hi

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    3802-02-000_w_shut-off

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    3802-02-000

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    3800-02-000_w-o_shut-off

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    3800-00-093-4c-hi

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    3802-02-000_w-o_shut-off

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    Technical specifications

    Installation instructions