Accessories for expansion vessels

(32 )

ASK quick connector for expansion vessel with inspection valve 2 x 3/4" BSPP
Afriso
1
70,06 zł/pcs
77924
HAV668

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9,84 zł

334 pcs
Mounting bracket (fixing strap) for suspended expansion vessels up to 380mm diameter
Onnline
1
27,61 zł/pcs
10248010
CFK396

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Delivery from

9,84 zł

158 pcs
INOX safety group for DHW 6 bar, with equipment and 3/4" quick connector ONNLINE
Onnline
1
198,41 zł/pcs
200626ONN
DLT359

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9,84 zł

15 pcs
ASK quick connector for expansion vessel with check valve 2 x 1 inch BSPP
Afriso
1
86,86 zł/pcs
77934
HAV669

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9,84 zł

89 pcs
Quick coupling / shut-off connector SU R1" with drain valve, for expansion vessel
Reflex
1
257,77 zł/pcs
7613100
HBX424

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9,84 zł

68 pcs
Console FLEXCONSOLE, female thread connections 3/4 inch, white
Flamco
1
381,13 zł/pcs
27987
HAW492

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9,84 zł

112 pcs
Safety group BSS for central heating expansion vessel installation with 3 bar safety valve, 0-4 bar pressure gauge, quick coupling
Afriso
1
256,66 zł/pcs
9061100
CFF159

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9,84 zł

15 pcs
Central heating safety group 3 bar Uponor Fluvia
Uponor
1
156,60 zł/pcs
1136377
DFM496

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Delivery from

9,84 zł

74 pcs
Steel bracket MB2 UNIVERSAL for wall mounting of FLAMCO expansion vessels with a capacity of 8-25L
Flamco
1
18,44 zł/pcs
27913
CDY485

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9,84 zł

23 pcs
Safety group BSS for central heating installations with connection to expansion vessel
Afriso
1
196,04 zł/pcs
9061000
CFF161

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9,84 zł

62 pcs
Safety group inox 6 bar Uponor Fluvia
Uponor
1
261,40 zł/pcs
1136375
DET532

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9,84 zł

50 pcs
Safety group 3 bar with connection to expansion vessel 3/4" Uponor Fluvia
Uponor
1
206,92 zł/pcs
1136376
DFM497

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9,84 zł

80 pcs
DHW safety group 6 bar with quick coupling for expansion vessel
Ferro
1
276,77 zł/pcs
GBMW60SN01
CHV361

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9,84 zł

23 pcs
DHW safety group INOX 8 bar, with safety valve and manometer
Elterm
1
241,19 zł/pcs
909008
CMP512

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9,84 zł

4 pcs
Quick connector FLEXFAST, GW/GZ 3/4 inch connections, suitable for tanks 2-50L
Flamco
1
92,72 zł/pcs
27920
HAW510

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Delivery from

9,84 zł

13 pcs
DHW safety group INOX 6 bar, with safety valve and manometer
Elterm
1
237,40 zł/pcs
909006
CMP510

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Delivery from

9,84 zł

10 pcs
Safety group with inox tank connection 6 bar Uponor Fluvia
Uponor
1
327,52 zł/pcs
1136373
DFM498

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Delivery from

9,84 zł

27 pcs
Digital pressure gauge for measuring pre-charge pressure in a diaphragm expansion tank, up to 9 bar, green
Reflex
1
115,58 zł/pcs
Oh! NEW
9119198
DML838

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9,84 zł

21 pcs
Expansion tank bracket ONNLINE, 1.5mm powder-coated sheet metal
Onnline
1
77,12 zł/set
10248054
CFK398

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Delivery from

9,84 zł

21 set
Threaded connection AG 1" for installation and maintenance of REFLEX G 100–1000L vessels, with shut-off and draining valve
Reflex
1
594,74 zł/pcs
Oh! NEW
9119204
DML745

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truck

Free delivery

4 pcs
Water loss compensation system FILLSET COMBI - connection set with water meter, threaded connection R ½“ x R ½“, 10 bar / 65 °C, flow rate 1.2 m³/h
Reflex
1
2 836,38 zł/pcs
Oh! NEW
6813105
DML723

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truck

Free delivery

2 pcs
Threaded connection AG 1 1/2" for installation and maintenance of REFLEX G 100–1000L vessels, with shut-off and draining valve
Reflex
1
965,78 zł/pcs
Oh! NEW
9119206
DML747

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truck

Free delivery

3 pcs
Flow control, shut-off and drain valve FLOWJET 3/4 for DHW vessels REFIX DD, 16 bar / 70°C, threaded connection male thread GZ3/4" / female thread GW3/4".
Reflex
1
149,20 zł/pcs
9116799
HBX425
temporary unavailable
Mounting strap / bracket for wall mounting, for REFLEX and REFIX vessels with a capacity of 8-25L, connection from above or below
Reflex
1
43,48 zł/pcs
7611000
HBX422
temporary unavailable
MBM II sensor for membrane damage detection in tanks: REFIX-DT, REFIX-DE, REFLEX-G from 60L, 230 V
Reflex
1
2 586,74 zł/pcs
7857700
DGM423
temporary unavailable
INOX safety group for DHW 6 bar, with ONNLINE equipment
Onnline
1
161,98 zł/pcs
200625ONN
DLT358
temporary absence
INOX safety group for C.O. 3 bar, with equipment and 3/4" quick coupling ONNLINE
Onnline
1
233,05 zł/pcs
200622ONN
DLT366
temporary absence
Quick coupling / shut-off connector SU R3/4" with drain valve, for expansion vessel
Reflex
1
161,72 zł/pcs
7613000
HBX423
temporary absence
INOX safety group for C.O. 3 bar, with ONNLINE equipment
Onnline
1
196,64 zł/pcs
200621ONN
DLT365
temporary absence



Expansion vessel accessories - key elements of hydraulic installations

In the plumbing industry   expansion tank accessories play an extremely important role . They ensure the proper functioning of the entire system. Our company has specialised in supplying these elements for years. We offer a wide selection of the highest quality products. The range includes hangers for expansion tanks and assembly elements. Safety groups for hot water and central heating and quick connectors are also available.

Our experience shows that   Selecting the right accessories is key to system performance . Incorrectly selected components can lead to failure. That is why it is so important to use professional knowledge when selecting them. Our specialists will be happy to advise on the selection of optimal solutions. We take into account the specifics of a given installation and the needs of the customer.

A wide range of expansion vessel accessories

In our assortment you will find products of renowned brands. We offer accessories from Flamco Meibes, Afriso, Uponor and Reflex. We especially recommend the Onnline brand, which is   our own brand . Its products are characterized by an excellent quality to price ratio. They were developed with the needs of the Polish market in mind.

The most popular accessories in our offer include:

  • Expansion vessel consoles
  • Flow fittings
  • Mounting brackets
  • Quick connectors for expansion vessels

Each of these elements plays an important role in the installation.   The brackets ensure stable attachment of the vessel to the wall . The flow fittings control the flow of the medium. Mounting brackets facilitate installation, and quick connectors enable easy connection.

Criteria for selecting expansion vessel accessories

When choosing accessories, there are several key factors to consider. It is important   compatibility with the existing expansion tank . You need to pay attention to the type and diameter of the connections. The resistance of the materials to pressure and temperature is also important. In the case of safety groups, the valve parameters are key.

We often come across the question of selecting the appropriate safety group. Its selection depends on the type of installation - central heating or domestic hot water. The power of the boiler and the capacity of the tank are also important. For central heating, 3 bar valves are standardly used. For domestic hot water, 6 or 10 bar valves are most often selected.

Our experience shows that   it is worth investing in products from proven brands . They provide long-term and failure-free operation. This translates into lower operating costs in the long term. That is why we recommend accessories from companies such as Flamco Meibes or our Onnline brand.

Practical applications of expansion tank accessories

In everyday practice, we see how important these elements are. We recently completed a project for a large office building. The key was to select the right safety groups. We used Flamco Meibes products. They provided optimal protection for the central heating and domestic hot water installations.

Another example is the modernization of the heating system at a school.   Replacing old expansion tanks involved selecting new accessories . We used Onnline consoles and quick connectors. This allowed for quick and trouble-free installation. Additionally, using these products translated into savings for the investor.

In the case of single-family houses, we often advise on the selection of safety groups. For boilers up to 30 kW, Afriso KSG Mini groups are suitable. They are compact and easy to install. In larger installations, we recommend Flamco Meibes groups with a pressure gauge.

Many customers ask us about the possibilities of modernizing older installations. In such cases, quick connectors for expansion vessels prove useful. They allow easy disconnection of the vessel without draining the water from the system. This significantly simplifies service work and replacement.

Accessories for expansion tanks are not only technical elements . They are a guarantee of safety and efficiency of the entire installation. That is why it is so important to select them carefully. At Onninen, we provide not only products, but also professional advice. Our experts will help you choose the optimal solutions for each project.

We invite you to familiarize yourself with the full range of expansion vessel accessories in our store. Here you will find products tailored to various needs and budgets. If you have any questions, our team is available to provide professional advice.