Thermostatic mixing valve

VTA350, VTA550

Anti-scald and anti-legionella protection.
Accuracy of regulation.
Suitable for HWC (hot water circulation).

The series VTA350/VTA550 for domestic hot water distribution, anti-scalded tempering in line applications and where further temperature control devices have been installed at the water taps. These series of valves are also suitable for domestic hot water installations equipped with HWC (hot water circulation).

Product range

VTA351, Internal thread

Art.no.	Reference	Temp. range [⁰C]	Kvs	Connection E	A [mm]	B [mm]	C [mm]	D [mm]	Weight [kg]
31104900	VTA351	35 - 60	1,6	Rp ¾"	70	42	52	46	0,48

VTA352/VTA552, External thread

Art.no.	Reference	Temp. range [⁰C]	Kvs	Connection E	A [mm]	B [mm]	C [mm]	D [mm]	Weight [kg]
31660100	VTA552	20 - 43	3,2	G 1"	84	50	60	56	0,78
31660400	VTA552	20 - 43	3,5	G 1¼"	84	50	60	56	0,87
31105000	VTA352	35 - 60	1,5	G ¾"	70	42	52	46	0,45
31105100	VTA352	35 - 60	1,6	G 1"	70	42	52	46	0,48
31660200	VTA552	45 - 65	3,2	G 1"	84	50	60	56	0,78
31660500	VTA552	45 - 65	3,5	G 1¼"	84	50	60	56	0,87
31660300	VTA552	50 - 75	3,2	G 1"	84	50	60	56	0,78
31660600	VTA552	50 - 75	3,5	G 1¼"	84	50	60	56	0,87

VTA352, External thread and integrated check valves

Art.no.	Reference	Temp. range [⁰C]	Kvs	Connection E	A [mm]	B [mm]	C [mm]	D [mm]	F [mm]	Weight [kg]	Note
31106100	VTA352	35 - 60	1,5	G 1"	70	42	52	46	74	0,48	Two checkvalves for both hot and cold water are integrated

VTA353, Compression fittings

Art.no.	Reference	Temp. range [⁰C]	Kvs	Connection E	A [mm]	B [mm]	C [mm]	D [mm]	Weight [kg]
31105200	VTA353	35 - 60	1,5	CPF 22 mm	70	42	52	46	0,57

Installation support

Operation

Installation example

Documents

Name	Download
Installation instruction VTA350
Installation instruction VTA550

Technical data

Pressure class:	PN 10
Working pressure:	1,0 MPa
max. Differential pressure, Mixing:	0,3 MPa
Temperature stability:	VTA350: ±2 °C; VTA550: ±4 °C; Valid at unchanged hot/cold water pressure, minimum flow rate 4 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C. ** Valid at unchanged hot/cold water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C.
Media temperature, max.:	+95 °C
Media temperature VTA550 temporarily max.:	+100 °C
Connections, Internal thread (Rp):	EN 10226-1
Connections, External thread (G):	ISO 228/1
Connections, External thread (R):	EN 10226-1
Connections, 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 /
SI 2016 No. 1105 (UK)

4MS/UBA
4MS/KTW-BWGL

See certificate
ÜA R-15.2.4-22-17605 (AT)

Dimensioning

Please see data sheet

Accessories and spare parts

Spare parts

Art No.	Reference	Designation	Note	Data sheet	Instruction manual
37000800	VTA936	ESBE VTA936 Exchange kit VTA360, 35 - 60°C	VTA350, VTA360
37100400	VTA955	ESBE VTA955 Exchange kit series VTA550, 20 - 43°C	VTA550
37100500	VTA955	ESBE VTA955 Exchange kit series VTA550, 45 - 65°C	VTA550
37100600	VTA955	ESBE VTA955 Exchange kit series VTA550, 50 - 75°C	VTA550
98080480	VTA903	ESBE VTA903 Adjusting knob, series VTA300
98080420	VTA903	ESBE VTA903 Top knob, series VTA300

Connection kit KTD200, KTD300

Art No.	Reference	Designation	Note	Data sheet	Instruction manual
36552200	KTD212	Connection kit with external thread R ¾" for use on externally threaded valves G 1".	One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.
36552400	KTD312	Connection kit with external thread R ¾" for use on externally threaded valves G 1".	Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.
36552300	KTD212	Connection kit with external thread R 1" for use on externally threaded valves G 1¼".	One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.
36552500	KTD312	Connection kit with external thread R 1" for use on externally threaded valves G 1¼".	Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.

Connection kit KCD300

	Art No.	Reference	Designation	Note	Data sheet	Instruction manual
	36552900	KCD313	Connection kit with compression fittings CPF 22mm for use on externally threaded valves G1".	Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312.

Download area

Type	Preview	Download
Data Sheet	VTA350, VTA550
Installation instruction	VTA350
Installation Instruction	VTA550
Certificate	Declaration of Conformity, VTA350/VTA550
Certificate	Declaration of Conformity UKCA, VTA350/VTA550
Certificate	Building Product Declaration BPD3, VTA350
Certificate	Building Product Declaration BPD3, VTA550
Certificate	ÜA R-15.2.4-22-17605 (AT), VTA350/VTA550
Certificate	KIWA-21-DW-10120, VTA350
Certificate	KIWA-21-DW-10122, VTA550
Certificate	EAC certificate (RU), VTA350/VTA550
Certificate	Certificate of conformity UA, VTA350/VTA550
Approval	PZH-certificate (PL), VTA350/VTA550
Image	VTA351, high res
Image	VTA352, high res
Image	VTA352 with Check Valves, high res
Image	VTA353, high res
Image	VTA552, high res
Image	VTA552 with adapters, high res
2D Image	VTA352 with check valves
2D Image	VTA550
2D Image	VTA552 with adapters
3D drawing (stp file)	VTA352 G ¾"
3D drawing (stp file)	VTA352 CV G 1"
3D drawing (stp file)	VTA552 G 1"
3D drawing (stp file)	VTA552 R ¾"