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Expansion vessel coupling and expansion vessel console

Expansion vessel fittings

BONFIX supplies a large range of brass expansion vessel fittings and consoles under its own brand name.

These articles are used for the purpose of connecting an expansion vessel, and are available as an installation kit, a renovation kit, or as separate items. 

Benefits of BONFIX brass expansion vessel fittings:

  • Clean, easy, quick installation
  • No need to drain the system when checking or replacing the expansion vessel
  • Suitable for expansion vessels up to 25 litres max.
  • Provided with plastic return valve


Benefits of BONFIX expansion vessel consoles:

  • Includes installation material
  • Available in a choice of colours