Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Hanicks
Basket
Sime Front Insulation Combustion Chamber 6139756

Sime

Sime Front Insulation Combustion Chamber 6139756

Front insulation for the combustion chamber in Sime gas boilers, part number 6139756.

At a glance

  • Part type: Front insulation for combustion chamber
  • Also known as 2040502
Manufacturer part no.
6139756
Showing prices

£13.62

£11.35 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 6139756 is a front insulation panel for the combustion chamber. It is designed for use in Sime gas boilers. The insulation helps retain heat within the combustion chamber and protects surrounding components from high temperatures.

Signs this part needs replacing

  • The insulation is cracked, brittle, or crumbling.
  • Visible signs of heat damage or discolouration.
  • The insulation has become detached or is missing.
  • Boiler performance issues such as overheating or reduced efficiency.

Before you order

  • Check your boiler model against the fit list above.
  • Confirm the part number 6139756 matches your existing insulation.
  • Inspect the combustion chamber for any other damaged components.
  • Ensure the boiler is isolated and depressurised before fitting.

Not sure which part?

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