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Onyx 100L Blue Potable Accumulator Vessel 2 Bar with Feet ONYX100LPOT

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Onyx 100L Blue Potable Accumulator Vessel 2 Bar with Feet ONYX100LPOT

ONYX 100L blue potable water accumulator vessel rated at 2 bar, supplied with feet for floor-standing installation.

At a glance

Manufacturer part no.
ONYX100LPOT
Showing prices

£205.20

£171.00 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 100L blue potable accumulator vessel is a pressurised water storage vessel for potable water systems, used to hold a reserve of water under pressure and smooth out demand at taps, showers and outlets. It forms part of the ONYX expansion vessel range and is supplied with feet for floor-standing installation.

Signs this part needs replacing

  • Outlet pressure falls away quickly once the pump stops
  • Pump short-cycles or runs more often than it used to
  • Water comes out of the air valve when the charge pressure is checked
  • Corrosion, weeping or water tracking visible on the vessel shell
  • System pressure at taps or showers fluctuates noticeably

Before you order

  • Confirm the vessel volume and pressure rating suit the system design
  • Check the connection size and type against the existing pipework
  • Check there is floor space for the vessel and that the feet suit the installation
  • Confirm the vessel is intended for potable water use in the application

Not sure which part?

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