Skip to main content
Multibox

Multibox

Flush individual room control for floor heating systems

Multibox is used for decentralized control of floor or wall heating systems or combined floor/radiator heating systems. For out-of-true installation offsetting up to 6° on each side. Cover with concealed screw connection. Models in white or chrome. Adjustable fitting for all wall structures, 30 mm depth compensation.

Technical SpecificationsMultibox_EN_lq.pdf

Product branding

imi_heimeier

Features and Benefits

Multibox K, RTL, K-RTL
For out-of-true installation offsetting up to 6° on each side
Cover with concealed screw connection
Models in white or chrome
Adjustable fitting for all wall structures, 30 mm depth compensation

Multibox F
No change in appearance irrespective of installation depth
Elegant and easy-to-clean graduation cap
For out-of-true installation offsetting up to 6° on each side
Adjustable fitting for all wall structures, 30 mm depth compensation

Multibox C/E, C/RTL
Closed cover plate
Multibox C/E suitable for actuators or remote dials
For out-of-true installation offsetting up to 6° on each side
Adjustable fitting for all wall structures, 30 mm depth compensation

Applications

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

Functions

Individual room temperature control.

Presetting

Shut-off

Venting

Dimensions

The cover can compensate for slanted mounting of the flush box of up to 6° on each side.

Flexible mounting thanks to variable spacing between flush box and cover of up to 30 mm.

The flush box has an overall depth of 60 mm.

Valve body DN 15.

Pressure class [PN]

PN 10

Setting range

Return temperature limiter RTL: 0 °C to 50 °C

Thermostatic head F: 6 °C to 28 °C

Thermostatic head K: 6°C to 28°C

Temperature

For all Multibox models, ensure that the system supply temperature is suitable for setting up the floor heating system.

Max. working temperature: 90°C

Min. working temperature: 2°C.

See also Information!

Pipe connection

Pipe-side G3/4 adaptor with cone suitable for compression fittings for plastic, copper, precision steel and multi-layer pipe.

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: Return temperature limiter (RTL) filled with an expansible medium.
Sensor element: Thermostatic head F with liquid filled sensor.


Surface treatment

All models optionally with cover and visible graduation cap in white RAL 9016 or chrome-plated.

The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.