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ONYX 150L Potable Accumulator Vessel ONYX150LPOT

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ONYX 150L Potable Accumulator Vessel ONYX150LPOT

ONYX 150L blue potable accumulator vessel with a 1 1/2" connection, 2 bar rating and feet, for potable water systems.

At a glance

Manufacturer part no.
ONYX150LPOT
Showing prices

£290.02

£241.68 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The ONYX 150L potable accumulator vessel is a blue-bodied vessel used in potable water systems to absorb pressure surges and stabilise system pressure. It carries a 1 1/2" connection, a 2 bar rating and is supplied with feet for floor standing installation. The vessel forms part of the ONYX range of potable water and pressure vessels.

Signs this part needs replacing

  • Water hammer or noticeable pressure surges in the potable water system
  • Pump short cycling or frequent pump starts
  • Fluctuating water pressure at taps and outlets
  • Vessel feels heavy or sounds full of water when tapped, indicating a lost pre-charge
  • Corrosion, weeping or physical damage at the connection or feet

Before you order

  • Confirm a 150 litre vessel is the correct capacity for the system
  • Check the 1 1/2" connection matches the existing pipework or fittings
  • Check the 2 bar rating is compatible with the system pressure and pre-charge requirements
  • Confirm the vessel is intended for potable water use and that the feet suit the proposed mounting position

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.