Logo Oventrop GmbH & Co. KG

Aquastrom UP-Therm Flush-mounted circulation valve with internal thread
DN 15, Rp ½ x Rp ½, operating point 63°C ± 1°C, bronze

Aquastrom UP-Therm flush-mounted circulation valve

Thermostatic circulation control valve that can be shut off for hydronic balancing in potable water circulation systems according to DVGW-W551. Straight seat version made of bronze with plastic handwheel incl. three colour plates (blue, red, purple) for pipe identification. Maintenance-free thermostatic valve insert made of bronze with temperature sensor located in the medium. With support of thermal disinfection by increasing the volume flow approx. 3°C above the fixed value setting and throttling to the residual volume flow approx. 16°C above the fixed value setting. Can be shut off, free of dead space.

Can be converted to an F valve with a free-flow valve insert or to a KFR valve with a KFR insert.

Can be extended to a flush-mounted valve with accessories.

Insulation shells made of EPS according to the Energy Saving Ordinance EnEV, fire protection class B1.

DVGW certified.

Both sides internal thread according to EN 10226-1.
No longer produced
Art.No.: 4225504
EAN: 4026755357332
Manufacturer: Oventrop GmbH & Co. KG
Subject to technical changes.


Dimensions of article

Length Width Height Weight
90,1 mm 64,8 mm 111,7 mm 0,54 kg

Packing units

Type Qty. Length Width Height Weight
Carton 1 94 mm 124 mm 149 mm 0,59 kg


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  Name Size
more languages 3,37 MB
more languages 4,87 MB
more languages 12,54 MB


ETIM 7.0
Property Value
Surface protection Untreated
Material housing Bronze
Max. medium temperature (continuous) 90 °C
KIWA certified
With drain
Handle/hand wheel height 67 mm
Length of handle/diameter of hand wheel 50 mm
Spindle angle 90 °
Operation using hand wheel
With connection 1 coupling
With connection 2 coupling
Housing material Bronze
With drain possibility (connection)