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Oso Stainless Commissioning Boss 90812

Oso

Oso Stainless Commissioning Boss 90812

Stainless steel commissioning boss from Oso, used at the cylinder during commissioning and service work.

At a glance

  • Part type: commissioning boss
  • Also known as 2490102
Manufacturer part no.
90812
Showing prices

£61.26

£51.05 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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 Oso stainless commissioning boss is a stainless steel fitting for Oso hot water cylinders. It screws into the cylinder tapping to provide a dedicated connection point for commissioning and service work. It is supplied as an individual component under Oso part code 90812.

Before you order

  • Confirm the thread size and type of the cylinder tapping the boss is to fit.
  • Check the Oso cylinder model and its commissioning connection arrangement.
  • Have the cylinder installation instructions to hand before fitting.

Not sure which part?

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