Features & Benefits

    Convertible from one-pipe to two-pipe operation

    Especially low flow resistance

    Fits in every installation situation thanks to different structural shapes of the thermostatic valve bodies

    No return circulation thanks to integrated gravity brakes in the E-Z distributor

    Technical description

    Applications area:

    One- and two-pipe heating systems

    Function:

    Control
    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. The outer O-ring can be replaced under pressure.

    Other:
    See "Articles" and "Accessories".

    Surface treatment:

    Valve body and fittings are nickel-plated.

    Marking:

    Distributor:
    THE, flow direction arrow.
    Thermostatic valve body:
    THE, flow direction arrow.
    Blue protection cap. Blue stuffing box.

    Pipe connection:

    G3/4 male thread for compression fittings for plastic, copper, precision steel or multi-layer pipe.

    Connection to thermostatic head and actuator:

    HEIMEIER M30x1,5

    Articles – E-Z System

    With protection cap and stuffing box blue. Nickel-plated gunmetal.

    Axial thermostatic valve body

    With protection cap and stuffing box blue.
    Nickel-plated gunmetal.

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

    With protection cap and stuffing box blue. Nickel-plated gunmetal.

    Angle thermostatic valve body

    With protection cap and stuffing box blue.
    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

    With protection cap and stuffing box blue. Nickel-plated gunmetal.

    Straight thermostatic valve body with bended nipple

    With protection cap and stuffing box blue.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2”)
    4024052180110
    2244-02.000

    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

    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

    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

    For one- and two-pipe heating systems.Nickel-plated gunmetal.

    E-Z distributor

    For one- and two-pipe heating systems.
    Nickel-plated gunmetal.

    EAN
    Article No
    DN 15 (1⁄2”)
    4024052216512
    3891-02.000

    Compression fitting for plastic, copper, precision steel or multi-layer pipes see Accessories.

    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
    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 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 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 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
    18x2
    4024052137411
    1331-18.351

    white plastic, can be divided in the centre, for various pipe diameters, distance between center points 58 mm, total height max. 31 mm.

    Double rosette

    white plastic, can be divided in the centre, for various pipe diameters, distance between center points 58 mm, total height max. 31 mm.

    EAN
    Article No
    4024052213214
    3831-00.093

    For connecting to plastic, copper, precision steel or multi-layer pipes. For valves with male thread connection G3/4.Brass nickel-plated.

    Length adjustment fitting

    For connecting to plastic, copper, precision steel or multi-layer pipes.
    For valves with male thread connection G3/4.
    Brass nickel-plated.

    L
    EAN
    Article No
    G3/4 x G3/4
    25
    4024052298310
    9713-02.354
    G3/4 x G3/4
    50
    4024052298419
    9714-02.354

    For compensating different pipe distances, e. g. when replacing old one-pipe valves. Note flow direction!Brass, nickel-plated.

    S-connection

    For compensating different pipe distances, e. g. when replacing old one-pipe valves.
    Note flow direction!
    Brass, nickel-plated.

    Axial distance [mm]
    Total length [mm]
    EAN
    Article No
    G3/4 x G3/4
    11,5
    43
    4024052139217
    1351-02.362

    Union threading for the circular pipeline

    EAN
    Article No
    Union nut
    4024052111114
    0121-02.011
    Screw nipple R1/2
    4024052111015
    0121-02.010

    for e. g. E-Z System or Duolux.Bend fitting: Gunmetal nickel-plated.Union nut: Nickel-plated.

    Bend fitting and union nut

    for e. g. E-Z System or Duolux.
    Bend fitting: Gunmetal nickel-plated.
    Union nut: Nickel-plated.

    EAN
    Article No
    Union nut
    4024052111114
    0121-02.011
    Bend fitting R1/2
    4024052317813
    2244-02.355

    3891-02-000-distributor

    Select a format Download

    2244-02-355

    Select a format Download

    3891-02-000-4c-hi

    Select a format Download

    3831-15-169

    Select a format Download

    Technical specifications

    Drawings