VTR300, External thread VTR500, External thread
VTR300, External thread VTR500, External thread

Circulation set

VTR300, VTR500

The series VTR300 and VTR500 for hot water circulation installations. The Circulation Set offers instantly available hot water, scald protection and comfort in a compact and efficient way. Using only thermostatic components (non-electrical) the unit is completely independent and provides very easy installation, with connections and check valves included.
  • Hot water available instantly
  • All in one, easy installation
  • Anti-scald protection
  • Insulation for minimized energy losses
  • VTR500 for multfamily houses

Product range

VTR300
VTR320
VTR300
VTR500
VTR520
Series VTR322, External thread
Art.no.ReferenceTemperature range °CKvs** Kvs-value in m3/h at a pressure drop of 1 bar.Connection GConnection HA mmB mmC mmD mmE mmF mmWeight kgNoteNTCNTC = National Trade Code
31400100VTR32235-601.6R ¾"R ¾"1402197570140901.45  
31400200VTR32245-651.6R ¾"R ¾"1402197570140901.45  
31400300VTR32250-751.6R ¾"R ¾"1402197570140901.45  
Series VTR522, External thread
Art.no.ReferenceTemperature range °CKvs** Kvs-value in m3/h at a pressure drop of 1 bar.Connection GConnection HA mmB mmC mmD mmE mmF mmWeight kgNoteNTCNTC = National Trade Code
31400400VTR52245-653.5R ¾"R 1"154257100751641002.2  
31400500VTR52250-753.5R ¾"R 1"154257100751641002.2  

Installation support

Installation examples
VTR300
Installation instruction VTR300/VTR500, Installation

Technical data

Suitable application area
Recommended
  • Potable water, in line
Technical data
Pressure class: PN 10 
Working pressure: 1.0 MPa
Differential pressure, Mixing max.: 0.3 MPa
Capacity diagram: see product catalogue 
Media temperature, max.: 95 °C
Temperature stability: ± 2 °C
Connection, External thread (R): EN 10226-1 
Material, Valve housing and other metal parts with fluid contact: Dezincification resistant brass DZR 
Conformity PED 2014/68/EU, article 4.3 
Valves are designed for VTR300_500
Conformity Low Lead_100x128_utgA-01
HCACL/4MS UBAList
KTW/WRAS/ACS

Accessories and spare parts

Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

BV

Check valve kit VTR322/VTR533.
37202900BVCheck valve kit    

VTA932

Exchange kit VTA932, 35 - 60°C.
37000400VTA932Exchange kit, 35 - 60°C VTR320 

VTA932

Exchange kit VTA932, 45 - 65°C.
37001500VTA932Exchange kit, 45 - 65°C VTA320 

VTA932

Exchange kit VTA932, 50 - 75°C.
37001600VTA932Exchange kit, 50 - 75°C VTA320 

VTA952

Exchange kit VTA952, series VTA520, 45 - 65°C.
37100200VTA952Exchange kit series VTA520, 45 - 65°C   

VTA952

Exchange kit VTA952, series VTA520, 50 - 75°C.
37100300VTA952Exchange kit series VTA520, 50 - 75°C   

Download area

Find here direct related product information for download. If you don’t find your specific need here please look further into below mentioned "Quick links" or this website's “Search” and “Support” area.
Data sheet VTR300, VTR500
Installation instruction VTR300, VTR500
2D Image VTR300
2D Image VTR500

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