BOSS™ Direct G4 Pressurisation Unit


March 2023 - Water Authority Approval Status

The BOSS™ Direct G4 Pumpless pressurisation unit is fully authorised for use in the following Water Authority areas for sealed heating and cooling systems;


● Jersey Water
● Severn Trent Water


For all other Water Authority areas you will need to seek local Water Authority approval to install the unit, UNLESS it is being installed downstream of a CAT5 Air gap (e.g. a booster set) when the only authority to install required is the system owner.

    • BSS Product Code
      03510596
  • Type
    BOSS Direct G4 Pressurisation Unit, BOSS Direct G4 with 8L Exp Vess Pre Commisioned, BOSS Direct G4 with 12L Exp Vess Pre Commisioned, BOSS Direct G4 with 18L Exp Vess Pre Commisioned, BOSS Direct G4 with 25L Exp Vess Pre Commisioned, BOSS Direct G4 with 35L Exp Vess Pre Commisioned, BOSS Direct G4 with 50L Exp Vess Pre Commisioned, BOSS Direct G4 with 80L Exp Vess Pre Commisioned, BOSS Direct G4 with 100L Exp Vess Pre Commisioned, BOSS Direct G4 with 200L Exp Vess Pre Commisioned, BOSS Direct G4 with 300L Exp Vess Pre Commisioned, BOSS Direct G4 with 400L Exp Vess Pre Commisioned, BOSS Direct G4 with 2X200L Exp Vess Pre Commisioned, BOSS Direct G4 with 500L Exp Vess Pre Commisioned, BOSS Direct G4 with 600L Exp Vess Pre Commisioned, BOSS Direct G4 with 800L Exp Vess Pre Commisioned, BOSS Direct G4 with 2x400L Exp Vess Pre Commisioned, BOSS Direct G4 with 1000L Exp Vess Pre Commisioned, BOSS Direct G4 with 2x500L Exp Vess Pre Commisioned
  • BOSS™ Range
    BOSS™ Direct G4
  • Manufacturer
    BSS Industrial
  • Brand
    BOSS™

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