Expansion glasses

The expansion vessels are a safety element essential Heating and Sanitary Hot Water Installations (ACS). Its function is to absorb the increase in water volume that occurs in the circuit due to the increase in temperature, maintaining stable pressure, within admissible limits.

Thus Avoid damage both in the pipes and the rest of the components of the system.

In our online store you can find a great assortment of expansion glasses of manufacturers recognized as Ibaiondo and Watts, with different prices, depending on the volume that the glass has. In addition to supports, membranes, tapas and more spare parts that you may need for installation or repair.

> View all available models

Types of expansion vessels:

We have created these subcategories based on the type of installation or the component where they will be installed, making it easier for you to find exactly what you are looking for.

You can also browse our full catalogue to discover the wide range of options available. If you have any questions, remember that our team of experts is always ready to help you make the best choice. Need assistance? Click here.

Complete catalogue of expansion vessels and accessories:

(Check specifications and prices)

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Showing 1 - 60 of 152 items

Kit Support Expansion Glasses Heating and ACS Kit Support Expansion Glasses Heating and ACS
Kit Support with valve isolation for expansion glasses... Kit Support with valve isolation for expansion glasses...
24,37 € VAT excl.
In Stock
SUPPORT Glass expansion up to 25 liters SUPPORT Glass expansion up to 25 liters

8,75 € VAT excl.
In Stock
Glass Expansion 5 AMR 5L 10 bar 1 " Glass Expansion 5 AMR 5L 10 bar 1 "
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
26,01 € VAT excl.
In Stock
Glass Expansion 5 AMR-E 5L 10 bar 3/4 " Glass Expansion 5 AMR-E 5L 10 bar 3/4 "
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
26,01 € VAT excl.
In Stock
Expansion Glass 5 CMF 5L 4 bar Expansion Glass 5 CMF 5L 4 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
18,58 € VAT excl.
In Stock
Expansion Glass 8 AMR 8L 10 bar Expansion Glass 8 AMR 8L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
28,49 € VAT excl.
In Stock
Expansion Glass 8 CMF 8L 4 bar Expansion Glass 8 CMF 8L 4 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
19,82 € VAT excl.
In Stock
Expansion Glass 12 CMF 12L 4 bar Expansion Glass 12 CMF 12L 4 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
24,77 € VAT excl.
In Stock
Expansion Glass 5 SMF 5L 10 bar Expansion Glass 5 SMF 5L 10 bar
Solar expansion glassesExpansion vessels for solar... Solar expansion glassesExpansion vessels for solar...
21,06 € VAT excl.
In Stock
Expansion Glass 5 CMR 5L 10 bar Expansion Glass 5 CMR 5L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
24,55 € VAT excl.
In Stock
Glass Expansion 15 AMR 15L 10 bar Glass Expansion 15 AMR 15L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
33,44 € VAT excl.
In Stock
Expansion Glass 8 SMF 8L 10 bar Expansion Glass 8 SMF 8L 10 bar
Solar expansion glassesExpansion vessels for solar... Solar expansion glassesExpansion vessels for solar...
22,30 € VAT excl.
In Stock
Expansion Glass 18 CMF 18L 4 bar Expansion Glass 18 CMF 18L 4 bar
Expansion glassesExpansion glasses for heating and... Expansion glassesExpansion glasses for heating and...
22,48 € VAT excl.
In Stock
Expansion glass 2HMF 2L 3 bar Expansion glass 2HMF 2L 3 bar

43,35 € VAT excl.
In Stock
Expansion Glass 8 CMR 8L 10 bar Expansion Glass 8 CMR 8L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
26,01 € VAT excl.
In Stock
Expansion Glass 20 AMR 20L 10 bar Expansion Glass 20 AMR 20L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
35,92 € VAT excl.
In Stock
Expansion Glass 5 HMF 5L 10 bar Expansion Glass 5 HMF 5L 10 bar
The HMF series are hydroneumatic cumulators for... The HMF series are hydroneumatic cumulators for...
45,83 € VAT excl.
In Stock
Expansion Glass 12 SMF 12L 10 bar Expansion Glass 12 SMF 12L 10 bar
Solar expansion glassesExpansion vessels for solar... Solar expansion glassesExpansion vessels for solar...
26,01 € VAT excl.
In Stock
Expansion Glass 11 CMR 11L 10 bar Expansion Glass 11 CMR 11L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
29,73 € VAT excl.
In Stock
Sale!
Expansion Glass 20 AMR-S 20L 10 bar Expansion Glass 20 AMR-S 20L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
56,83 € VAT excl.
In Stock
Expansion Glass 25 CMF 25L 4 bar Expansion Glass 25 CMF 25L 4 bar
Expansion glassesExpansion glasses for heating and... Expansion glassesExpansion glasses for heating and...
37,09 € VAT excl.
In Stock
Expansion Glass 18 SMF 18L 10 bar Expansion Glass 18 SMF 18L 10 bar
Solar expansion glassesExpansion vessels for solar... Solar expansion glassesExpansion vessels for solar...
30,21 € VAT excl.
In Stock
Expansion Glass 18 CMR 18L 10 bar Expansion Glass 18 CMR 18L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
37,16 € VAT excl.
In Stock
Expansion Vase 15HMF 15L 10 bar Expansion Vase 15HMF 15L 10 bar

53,26 € VAT excl.
In Stock
Glass Expansion 24 AMR-E 25L 8 bar 3/4 Glass Expansion 24 AMR-E 25L 8 bar 3/4
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
44,59 € VAT excl.
In Stock
Expansion Glass 24 AMR-E 25L 8 bar 1 Expansion Glass 24 AMR-E 25L 8 bar 1
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
44,59 € VAT excl.
In Stock
Expansion Glass 24 SMF 24L 8 bar Expansion Glass 24 SMF 24L 8 bar
Solar expansion glassesExpansion vessels for solar... Solar expansion glassesExpansion vessels for solar...
39,51 € VAT excl.
In Stock
Expansion glass 25HMF 25L 8 bar Expansion glass 25HMF 25L 8 bar
Expansion glass 25HMF 25L 8 bar Expansion glass 25HMF 25L 8 bar
65,65 € VAT excl.
In Stock
Expansion Glass 24 CMR 24L 8 bar Expansion Glass 24 CMR 24L 8 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
40,88 € VAT excl.
In Stock
Expansion Glass 35 CMF 35L 4 bar Expansion Glass 35 CMF 35L 4 bar
Expansion glassesExpansion glasses for heating and... Expansion glassesExpansion glasses for heating and...
40,88 € VAT excl.
In Stock
Expansion Glass 35 AMR 35L 10 bar Expansion Glass 35 AMR 35L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
64,41 € VAT excl.
In Stock
Expansion Glass 35 CMF-PAKES 35L 4 bar Expansion Glass 35 CMF-PAKES 35L 4 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
43,35 € VAT excl.
In Stock
Expansion Glass 35 AMR-P 35L 10 bar Expansion Glass 35 AMR-P 35L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
82,34 € VAT excl.
In Stock
Expansion glass 50 cmf-legs 50L 4 bar Expansion glass 50 cmf-legs 50L 4 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
63,17 € VAT excl.
In Stock
Expansion Glass 35 SMR-P 35L 10 bar Expansion Glass 35 SMR-P 35L 10 bar
Solar expansion glasses Expansion vessels for solar power... Solar expansion glasses Expansion vessels for solar power...
96,62 € VAT excl.
In Stock
Expansion Glass 50 AMR 50L 10 bar Expansion Glass 50 AMR 50L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
100,33 € VAT excl.
In Stock
Expansion Glass 50 AMR-S 50L 10 bar Expansion Glass 50 AMR-S 50L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
116,07 € VAT excl.
In Stock
Expansion Glass 50 AMR-P 50L 10 bar Expansion Glass 50 AMR-P 50L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
105,29 € VAT excl.
In Stock
Expansion Glass 50 SMR-P 50L 10 bar Expansion Glass 50 SMR-P 50L 10 bar
Solar expansion glasses Expansion vessels for solar power... Solar expansion glasses Expansion vessels for solar power...
112,72 € -10% 101,45 € VAT excl.
Reduced price!
In Stock
Expansion Glass 80 AMR-P 80L 10 bar Expansion Glass 80 AMR-P 80L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
132,54 € VAT excl.
In Stock
Expansion Glass 80 CMF 80L 6 bar Expansion Glass 80 CMF 80L 6 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
91,66 € VAT excl.
In Stock
Expansion Glass 80 SMR-P 80L 10 bar Expansion Glass 80 SMR-P 80L 10 bar
Solar expansion glasses Expansion vessels for solar power... Solar expansion glasses Expansion vessels for solar power...
142,45 € VAT excl.
In Stock
Expansion Glass 35 CMR 35L 10 bar Expansion Glass 35 CMR 35L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
133,78 € VAT excl.
In Stock
Expansion Glass 80 AMR-S 80L 10 bar Expansion Glass 80 AMR-S 80L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
157,31 € VAT excl.
In Stock
Expansion Glass 50 CMR 50L 10 bar Expansion Glass 50 CMR 50L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
162,27 € VAT excl.
In Stock
Expansion Glass 100 AMR-P 100L 10 bar Expansion Glass 100 AMR-P 100L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
206,61 € -10% 185,95 € VAT excl.
Reduced price!
In Stock
Expansion Glass 100 CMF 100L 6 bar Expansion Glass 100 CMF 100L 6 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
157,31 € VAT excl.
In Stock
Expansion Glass 100 SMR-P 100L 10 bar Expansion Glass 100 SMR-P 100L 10 bar
Solar expansion glasses Expansion vessels for solar power... Solar expansion glasses Expansion vessels for solar power...
208,10 € VAT excl.
In Stock
Expansion Glass 80 CMR 80L 10 bar Expansion Glass 80 CMR 80L 10 bar
Expansion glasses A.C.S.Expansion Glass for ACS... Expansion glasses A.C.S.Expansion Glass for ACS...
195,71 € VAT excl.
In Stock
Expansion Glass 50 AMR 50L 16 bar Expansion Glass 50 AMR 50L 16 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
226,68 € VAT excl.
In Stock
Expansion Glass 100 AMR-P-A 100L 10bar Expansion Glass 100 AMR-P-A 100L 10bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
232,87 € VAT excl.
In Stock
Expansion Glass 140 CMF 140L 6 bar Expansion Glass 140 CMF 140L 6 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
194,47 € VAT excl.
In Stock
Expansion Glass 100 CMR 100L 10 bar Expansion Glass 100 CMR 100L 10 bar
Expansion glasses A.C.S. Expansion Glass for ACS sanitary... Expansion glasses A.C.S. Expansion Glass for ACS sanitary...
251,45 € VAT excl.
In Stock
Expansion Vase 150 AMR-B90 150L 10 bar Expansion Vase 150 AMR-B90 150L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
323,53 € VAT excl.
In Stock
Glass Expansion 200 CMF 200L 6 bar Glass Expansion 200 CMF 200L 6 bar
Expansion glassesExpansion glasses for heating and... Expansion glassesExpansion glasses for heating and...
208,10 € VAT excl.
In Stock
Glass Expansion 200 AMR-B90 200L 10 bar Glass Expansion 200 AMR-B90 200L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
337,06 € -10% 303,35 € VAT excl.
Reduced price!
In Stock
Expansion Tumbler 150 AMR-Plus 150L 10 bar Expansion Tumbler 150 AMR-Plus 150L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
348,07 € VAT excl.
In Stock
Expansion glass 250 cmf 250L 6 bar Expansion glass 250 cmf 250L 6 bar
Expansion glasses Expansion glasses for heating and... Expansion glasses Expansion glasses for heating and...
236,59 € VAT excl.
In Stock
Expansion Glass 100 AMR-S 100L 10 bar Expansion Glass 100 AMR-S 100L 10 bar
Hydroponeum cumulators for pressure groups Replaceable... Hydroponeum cumulators for pressure groups Replaceable...
400,10 € VAT excl.
In Stock
Expansion Vase 300 AMR-B160 300L 10 bar Expansion Vase 300 AMR-B160 300L 10 bar
Hydroponeum cumulators for pressure groupsReplaceable... Hydroponeum cumulators for pressure groupsReplaceable...
468,56 € -10% 421,71 € VAT excl.
Reduced price!
In Stock

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> Ver todos los modelos disponibles

Más información sobre calderines y vasos de expansión:

Entre nuestro catálogo de vasos de expansión encontrarás modelos de marcas referencias del sector como Ibaiondo y Watts, aptos para distintas funciones:

AMR: para grupos de presión e instalaciones de agua fría.
CMF: para instalaciones de calefacción y climatización.
CMR: para instalaciones de agua caliente sanitaria o ACS.

Consulta con nosotros cualquier duda o pregunta que pueda surgirte acerca de los productos disponibles en la tienda online. Estaremos encantados de atenderte por teléfono - 91 696 61 83 - o chat online y ayudarte a tomar la mejor decisión en tu compra.