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Expansion vessels

467 parts with part numbers and prices incl. VAT, mostly from Ferroli, Immergas and Baxi · Roca. Choose a brand to see only its parts.

The expansion vessel absorbs the increase in the volume of water as it heats up. When it loses its air charge, the pressure rises and drops sharply and the pressure relief valve drips. The ones inside the boiler are flat, rectangular or round and change with the model; domestic hot water vessels are fitted separately.

  1. Junkers · Bosch

    Expansion vessel Junkers ZWB 30/32 A-A23

    Part no. 87186849450

    Vessel

    Available

    €68.47 incl. VAT

  2. Expansion vessel 07L-Torica CIMM RP220X550-7L I39827800

    Part no. 06960602

    Vessel

    Available

    €70.24 incl. VAT

  3. Expansion vessel 7l-3/8M-512x195x75mm. Compatible with CFAG000002 - N40G003M0 - VES0900P

    Part no. FN-031133

    Vessel

    Available

    €98.46 incl. VAT

  4. Vaillant

    DHW expansion vessel 001 litres Vaillant VMI 32/362-7R3

    Part no. 181081

    Vessel

    Available

    €179.21 incl. VAT

  5. Sime

    DHW expansion vessel 002.5L. Sime Format 30/60 BF (2,5L-1/2-Ø130x270mm)

    Part no. 6245102

    Vessel

    Available

    €100.67 incl. VAT

  6. Ariston

    DHW expansion vessel 002L. Ariston

    Part no. 61316921

    Vessel

    Available

    €163.63 incl. VAT

  7. Beretta · Riello

    DHW expansion vessel 002L Beretta Boiler

    Part no. R1329

    Vessel

    Available

    €87.05 incl. VAT

  8. Chaffoteaux

    DHW expansion vessel 002L. Chafoteaux Niagara Delta

    Part no. 61306776

    Vessel

    Available

    €161.80 incl. VAT

  9. Domusa

    DHW expansion vessel 002L Domusa Dual Clima

    Part no. CDCL000022

    Vessel

    Available

    €134.60 incl. VAT

  10. Immergas

    DHW expansion vessel 002L Immergas Victrix Zeus Superior 35 Enamelled

    Part no. 1.036911

    Vessel

    Available

    €123.18 incl. VAT

  11. DHW expansion vessel 002 litres (2L-1/2-220x120mm) enamelled compatible with 10191 - 05737800 - 557A7007 - 188263 - VID0201P1 - 39809980 - 39818200 - 445058

    Part no. VF-019455

    Vessel

    Available

    €31.65 incl. VAT

  12. ACV

    DHW expansion vessel 002 litres ACV Delta Pro pack

    Part no. 786724

    Vessel

    Available

    €169.01 incl. VAT

  13. Thermor

    DHW expansion vessel 002 Litres Atlantic Naema DUO

    Part no. 188263

    Vessel

    Available

    €138.01 incl. VAT

  14. Domusa

    DHW expansion vessel 002 Litres Domusa Evoltop ACU-TOP21 (02L-1/2-Med.310x120x85mm. Zilmet)

    Part no. CFOV000085

    Vessel

    Available

    €105.15 incl. VAT

  15. Ferroli

    DHW expansion vessel 002 Litres Ferroli NEW Elite 60 Cimm

    Part no. I39818200

    Vessel

    Available

    €120.85 incl. VAT

  16. Immergas

    DHW expansion vessel 002 liters Immergas (02L-1/2-220x120mm Cimm) enameled

    Part no. 1.028607

    Vessel

    Available

    €65.64 incl. VAT

  17. Baxi · Roca

    DHW expansion vessel 002 litres Roca Vega Plus 24-28 AIFM

    Part no. 714034410

    Vessel

    Available

    €155.24 incl. VAT

  18. Saunier Duval

    DHW expansion vessel 002L Saunier Duval (Cilindrico-2L-1/2-Ø125X240mm.Posición 180º)

    Part no. 0020025738-C

    Vessel

    Available

    €32.00 incl. VAT

  19. Ariston

    DHW expansion vessel 003.5 Liters Ariston Genus 27 BFFI (3.5L-1/2-525x130x85mm)

    Part no. 999403

    Vessel

    Available

    €155.88 incl. VAT

  20. Tifell

    DHW expansion vessel 004L-1/2-Ø125x400mm.-TIFELL boilers with storage tank

    Part no. CAVE04-C

    Vessel

    Available

    €76.12 incl. VAT

  21. Domusa

    DHW expansion vessel 004L-3/4M.Posición 180º Includes reduction 3/4H 1/2M. Compatible with Domusa CFOV000068 - 02004080 Ibaiondo

    Part no. CFOV000068-C1

    Vessel

    Available

    €59.90 incl. VAT

  22. Immergas

    DHW expansion vessel 004L Immergas storage tank 105 (4L-1/2-Ø90x645mm)

    Part no. 1.015433

    Vessel

    Available

    €142.79 incl. VAT

  23. Domusa

    DHW expansion vessel 004 Liters Domusa MCF - ACU evoltop (Ibaiondo)

    Part no. CFOV000068

    Vessel

    Available

    €111.93 incl. VAT

  24. Ferroli

    DHW expansion vessel 004 litres Ferroli Pegasus DK

    Part no. I39811260

    Vessel

    Available

    €302.12 incl. VAT

  25. Sime

    DHW expansion vessel 004 Liters Sime

    Part no. 6245105

    Vessel

    Available

    €184.36 incl. VAT

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If you have the part number, type it exactly as it appears: it comes up first. Models are matched against each part’s title, so check the part number before you buy.