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Sime Straight Fitting 6120508

Sime

Sime Straight Fitting 6120508

Sime 6120508 straight fitting, 1/2 inch, for manifold to isolation valve nipple connection in Sime boilers.

At a glance

  • Part type: straight fitting
  • Also known as DHW-INLETOUTLET-STRAIGHT-FI, 8921787
Manufacturer part no.
6120508
Showing prices

£55.54

£46.28 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 Sime 6120508 is a straight fitting with a 1/2 inch connection, used as a manifold-to-isolation-valve nipple in Sime boilers. It provides the hydraulic link between the manifold and the isolation valve. The part is manufactured by Sime for use across a range of Sime boiler models.

Signs this part needs replacing

  • Water weeping or dripping from the manifold-to-isolation-valve connection.
  • Visible corrosion, pitting or scale on the fitting.
  • Thread damage or deformation preventing a reliable seal.
  • The isolation valve cannot be removed or refitted cleanly because the nipple is seized or damaged.
  • Repeated loss of system pressure traced to the fitting joint.

Before you order

  • Confirm your boiler model is listed in the fitment section.
  • Check the connection size required is 1/2 inch.
  • Verify the part number 6120508 against the existing fitting.
  • Isolate and depressurise the boiler before removing or fitting the part.

Not sure which part?

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