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Gaskets and seals

987 parts with part numbers and prices incl. VAT, mostly from Immergas, Viessmann and Domusa. Choose a brand to see only its parts.

Gaskets and seals stop water, gas or flue gases escaping between two parts. Here you’ll find O-rings and flat gaskets, and gaskets for water heater flanges, burners, heat exchangers and electrodes. When you remove a part that seals against another, it’s normal to replace its gasket too, because once it has been compressed it no longer seals properly.

  1. Immergas

    Gasket 37x26.80x2mm Immergas Victrix Zeus Superior 32 2ErP coil storage tank

    Part no. 1.027886

    Gasket

    Available

    €0.99 incl. VAT

  2. Immergas

    Gasket 42x35x2mm Immergas

    Part no. 1.018869

    Gasket

    Available

    €0.48 incl. VAT

  3. De Dietrich

    Gasket 7mm + washer 5mm De Dietrich GT 1100V

    Part no. 89705511

    Gasket

    Available

    €20.33 incl. VAT

  4. ACV

    Storage tank gasket ACV Sor 2500

    Part no. 787886

    Gasket

    Available

    €33.03 incl. VAT

  5. Baxi · Roca

    Storage tank gasket Baxi Roca Top outlet - Side outlet AS 500E

    Part no. 123000023

    Gasket

    Available

    €13.67 incl. VAT

  6. Immergas

    Storage tank gasket Immergas Zeus Maior

    Part no. 1.1759

    Gasket

    Available

    €7.73 incl. VAT

  7. Wolf

    Storage tank gasket Wolf SEM-2 300L

    Part no. 2483561

    Gasket

    Available

    €58.61 incl. VAT

  8. ACV

    ACV Delta Pro S 55 hood cover gasket

    Part no. 786647

    Gasket

    Available

    €86.15 incl. VAT

  9. ACV

    ACV Heat Master 35TC V13 Sight Glass Gasket

    Part no. 557A0149

    Gasket

    Available

    €28.31 incl. VAT

  10. ACV

    Gasket ACV HR ECO 24-36

    Part no. 785647

    Gasket

    Available

    €4.31 incl. VAT

  11. ACV

    Gasket ACV HR - HR ECO 30/36 Burner front cover

    Part no. A1007569

    Gasket

    Available

    €34.24 incl. VAT

  12. ACV

    Gasket ACV HR - HR ECO flue outlet

    Part no. 785664

    Gasket

    Available

    €12.72 incl. VAT

  13. ACV

    Gasket ACV HR - HR ECO Burner Front Cover

    Part no. A1007658

    Gasket

    Available

    €22.39 incl. VAT

  14. ACV

    Gasket ACV Prestige Excellence 24 V 14 Dimensions 25.07x2.62mm

    Part no. 786648

    Gasket

    Available

    €1.57 incl. VAT

  15. ACV

    Gasket ACV Prestige Excellence 32 V14 fan flap

    Part no. 787212

    Gasket

    Available

    €11.37 incl. VAT

  16. ACV

    ACV Fan Gasket

    Part no. 785663

    Gasket

    Available

    €8.35 incl. VAT

  17. Ariston

    Airiston genus premiun HP ionisation electrode gasket

    Part no. 65103476

    Gasket

    Available

    €11.50 incl. VAT

  18. Baxi · Roca

    Insulation gasket Baxi Newtronic 2-3-4RS

    Part no. 121307710

    Gasket

    Available

    €37.51 incl. VAT

  19. Domusa

    Aluminium gasket 16x10x1.5mm Domusa Domestic Linea-preheater

    Part no. CTOR000004

    Gasket

    Available

    €0.92 incl. VAT

  20. Domusa

    Aluminium gasket 18.40x13x1.5mm 1/4 Domusa Domestic heating oil pump hex nipple connection

    Part no. CTOR000005

    Gasket

    Available

    €1.13 incl. VAT

  21. Wolf

    Double ring gasket Wolf Cob 345x9,5mm

    Part no. 8905663

    Gasket

    Available

    €41.03 incl. VAT

  22. Thermor

    Anode gasket electric water heater Thermor Ias 300 TN

    Part no. 040210

    Gasket

    Available

    €0.97 incl. VAT

  23. Wolf

    Non-return gasket Wolf FGB K 35

    Part no. 3910343

    Gasket

    Available

    €30.84 incl. VAT

  24. Ariston

    Ariston Cares Premium Burner Gasket

    Part no. 60001864

    Gasket

    Available

    €32.33 incl. VAT

  25. Ariston

    Ariston Cares Premium burner cover gasket

    Part no. 60001863

    Gasket

    Available

    €13.49 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.