VTS552, External thread VTS552, With adapters - external thread VTS553, With adapters - compression fitting
VTS552, External thread VTS552, With adapters - external thread VTS553, With adapters - compression fitting

Thermostatic mixing valve

VTS550

The series VTS550 for domestic hot water distribution connected to solar heating systems, where the high water temperatures require extra durable components. VTS550 has symmetrical flow pattern. These series of valves are also suitable for domestic hot water installations equipped with HWC (hot water circulation).
  • High temperature resilience.
  • Anti-scald and anti-legionella protection.
  • Accuracy of regulation.
  • Suitable for HWC (hot water circulation).

Product range

VTA550 front_A-01
VTS522
VTA550 side_A-01
VTA550 koppel front_A-01
VTS552, VTS553 with adapters
VTA550 koppel side_A-01
Series VTS552, External thread
Art.no.ReferenceTemperature range °CKvs** Kvs-value in m3/h at a pressure drop of 1 bar.ConnectionA mmB mmC mmD mmWeight kgNoteNTCNTC = National Trade Code
31740100VTS55245-653.2G 1"845060560.78  
31740300VTS55245-653.5G 1 1/4"845060560.87  
31740200VTS55250-753.2G 1"845060560.78  
31740400VTS55250-753.5G 1 1/4"845060560.87  
Series VTS552/VTS553, with adapters
Art.no.ReferenceTemperature range °CKvs** Kvs-value in m3/h at a pressure drop of 1 bar.ConnectionA mmB mmC mmD mmWeight kgNoteNTCNTC = National Trade Code
31740500VTS55245-653.0R ¾"1548560561.14  
31740900VTS55345-653.0CPF 22 mm1809860561.34  
31740700VTS55245-653.4R 1"1649060561.51  
31740600VTS55250-753.0R ¾"1548560561.14  
31741000VTS55350-753.0CPF 22 mm1809860561.34  
31740800VTS55250-753.4R 1"1649060561.51  

Installation support

Operation
VTA550 VTS550_GB_A-01
VTS550
Installation examples
VTA550_VTS550-01
VTS550
Installation instruction VTS550

Technical data

Suitable application area
Recommended
  • Potable water, in line
  • Solar heating
Secondary alternative
  • Radiator heating
Technical data
Pressure class: PN 10 
Working pressure: 1.0 MPa
Max. differential pressure, Mixing: 0.3 MPa
Capacity diagram: see product catalogue 
Max. media temperature, continuosly: 110 °C
temporarily: 120 °C
Temperature stability: ±4 °C
Connection, External thread (G): ISO 228/1 
External thread (R): EN 10226-1 
Compression fitting (CPF): EN 1254-2 
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 VTS520_550
Conformity Low Lead_100x128_utgA-01
HCACL/4MS UBAList
KTW/WRAS/ACS

Accessories and spare parts

Connection kits
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36552800KCD313Valve thread G ¾" - Connection CPF 15mm Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36553100KCD313Valve thread G ¾" - Connection CPF 15mm Two check valves included. Nickel-plated. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36552900KCD313Valve thread G1" - Connection CPF 22mm Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36553200KCD313Valve thread G1" - Connection CPF 22mm Two check valves included. Nickel-plated. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36553000KCD313Valve thread G 1¼" - Connection CPF 28mm Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KCD313

Connection kit with compression fittings for use on externally threaded valves.
36553300KCD313Valve thread G 1¼" - Connection CPF 28mm Two check valves included. Nickel-plated. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.  

KSD314

Connection kit with solder connection for use on externally threaded valves.
36553400KSD314Valve thread G1" - Connection 22mm Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD212

Connection kit with external thread for use on externally threaded valves.
36552200KTD212Valve thread G 1" - Connection thread R ¾" One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD312

Connection kit with external thread for use on externally threaded valves.
36552400KTD312Valve thread G 1" - Connection thread R ¾" Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD312

Connection kit with external thread for use on externally threaded valves.
36552600KTD312Valve thread G 1" - Connection thread R ¾" Two check valves included. Nickel-plated. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD212

Connection kit with external thread for use on externally threaded valves.
36552300KTD212Valve thread G 1¼" - Connection thread R 1" One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD312

Connection kit with external thread for use on externally threaded valves.
36552500KTD312Valve thread G 1¼" - Connection thread R 1" Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 

KTD312

Connection kit with external thread for use on externally threaded valves.
36552700KTD312Valve thread G 1¼" - Connection thread R 1" Two check valves included. Nickel-plated. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. 
Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VTS955

Exchange kit VTS955, series VTS550, 45 - 65°C.
37120300VTS955Exchange kit, series VTS550, 45 - 65°C   

VTS955

Exchange kit VTS955, series VTS550, 50 - 75°C.
37120400VTS955Exchange kit, series VTS550, 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 VTS520, VTS550
Installation instruction VTS550
2D Image VTS550

Related products

VMD300

VMD300

The series VMD300 with adjustable set temperature for dual source domestic hot water.
VMD300
VMC322

VMC300, VMC500

The series VMC300/VMC500 for dual source domestic hot water.
VMC322
VTD322

VTD300

The series VTD300 are thermic valves used for diverting applications.
VTD322
VSB132

VSB100

ESBE Safety valves series VSB100 are used to secure domestic hot water systems against excess pressure.
VSB132, DN20
VSB311

VSB300

ESBE Safety valves series VSB300 are used to secure solar heating systems against excess pressure.
VSB311, DN15
VTA332 External thread

VTA330, VTA530

The series VTA330/VTA530 for domestic hot water distribution, anti-scalded point-of-use applications.
VTA332

Quick Links