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Main Combustion Chamber Sub-Assembly 238072

Main

Main Combustion Chamber Sub-Assembly 238072

Combustion chamber sub-assembly 3F/WAY, part 238072, for selected Main and Potterton gas boilers.

At a glance

  • Also known as 1121574
  • Work on the combustion chamber must be carried out by a Gas Safe registered engineer
Manufacturer part no.
238072
GC number
114-835
Showing prices

£74.22

£61.85 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 combustion chamber sub-assembly 3F/WAY is a Main-manufactured component for gas boilers, listed under burner spares. It forms the enclosed chamber in which combustion takes place, containing the burner flame and directing flue gases towards the heat exchanger. Part number 238072.

Signs this part needs replacing

  • Visible corrosion, cracking or distortion of the chamber walls
  • Soot or heavy carbon deposits inside the chamber
  • Discolouration or heat damage indicating overheating
  • Combustion readings outside the expected range during servicing
  • Signs of flue gas leakage around the chamber seals or joints

Before you order

  • Confirm your boiler model against the fitment list above
  • Check the existing part number 238072 matches the component being replaced
  • Inspect the chamber and its seals for damage before ordering
  • Work on the combustion chamber must be carried out by a Gas Safe registered engineer

Not sure which part?

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