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.
Key features
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
Technical description
Applications area:
Two-pipe heating systems
Floor 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.
Dimensions:
DN 15
Pressure class:
PN 10
Setting range:
Thermostatic head DX:
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!
Materials:
Valve body: Corrosion resistant Gunmetal.
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass, PPS (polyphenylsulphide)
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.
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
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 male thread for compression fittings for plastic, copper, precision steel or multi-layer pipe.
Connection to thermostatic head and RTL head:
M30x1.5, RTL with additional adaptor
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