Multilux 4-F-Set
For radiator two point bottom connection R1/2 or G3/4 with an additional connection for floor heating
For connection radiators with a bottom connection and floor heating is used to control the room temperature and for limitation of the return temperature. Centre-to centre distance of connection is 50 mm. Installation in angle type. Both thermostatic inserts include the V-exact II precision presetting with 8 stepless presetting values.
Product branding
Features and 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
Applications
Floor heating systems
Two-pipe 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
Dimension [DN]
DN 15
Size (DN)
15
Pressure class [PN]
PN 10
Temperature
Max. working temperature: 90°C
Min. working temperature: 2°C.
Connection to thermostatic head
M30x1.5, RTL with additional adaptor
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
Colour (for Varianting)
White (RAL 9016)
Radiator connection
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 external thread for compression fittings for plastic, copper, precision steel or 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) and SPS (syndiotactic polystyrene)
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.
3rd Item Number
9690-57.800