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Sime Gasket EP709 6028705

Sime

Sime Gasket EP709 6028705

Sime gasket EP709 for the DAB pump head to flange joint in Sime gas boilers.

At a glance

  • Also known as GASKET-EP709-FOR-DAB, 2040312
Manufacturer part no.
6028705
Showing prices

£4.04

£3.37 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 gasket EP709 (part number 6028705) is a sealing gasket for the DAB pump head to flange joint. It is used in Sime gas boilers to maintain a watertight seal at the pump connection. This gasket is a service component for the heating circuit.

Signs this part needs replacing

  • Water weeping or dripping from the pump head to flange joint
  • Visible staining or corrosion around the gasket area
  • Loss of system pressure requiring frequent top-ups
  • Hardening or deterioration of the gasket material

Before you order

  • Check your boiler model against the fitment list above
  • Confirm the gasket is for the DAB pump head to flange joint
  • Verify the part number 6028705 matches your requirement
  • Check any GC number on your appliance if listed

Not sure which part?

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