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Main O-Ring Under Valve Stem In Gas Section 5110904

Main

Main O-Ring Under Valve Stem In Gas Section 5110904

O-ring for the valve stem in the gas section of Main Multipoint BF and Multipoint BF ErP water heaters.

At a glance

  • Part type: O-ring
  • Also known as 1160549
Manufacturer part no.
5110904
GC number
H18-309
Showing prices

£13.38

£11.15 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 Main 5110904 is an O-ring that sits under the valve stem in the gas section of Main Multipoint BF and Multipoint BF ErP water heaters. It seals the valve stem at that joint within the gas section assembly. It is a service part for the gas section.

Signs this part needs replacing

  • Visible cracking, flattening or perishing of the O-ring
  • Gas smell or leak detection fluid bubbling at the valve stem
  • Water weeping or staining around the valve stem area
  • O-ring hardened or deformed after long service

Before you order

  • Check the appliance data plate to confirm the model and GC number
  • Confirm the O-ring is listed for the gas section valve stem on your model
  • Confirm whether your appliance is the Multipoint BF or Multipoint BF ErP variant

Not sure which part?

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