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Hamworthy Sight Glass View Port Gasket 531201066

Hamworthy

Hamworthy Sight Glass View Port Gasket 531201066

Sight glass / view port gasket for Hamworthy Modumax and Sherbourne gas boilers.

At a glance

  • Also known as 2061318
Manufacturer part no.
531201066
Showing prices

£4.24

£3.53 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

This is a sight glass / view port gasket manufactured by Hamworthy. It seals the viewing port on the combustion chamber, allowing the flame to be inspected without breaking the seal. The gasket is part number 531201066 and is classed within O-rings, washers and gaskets for gas boiler spares.

Signs this part needs replacing

  • Visible cracking, hardening or perishing of the gasket material
  • Staining or weeping around the sight glass or viewing port
  • Soot deposits or moisture tracking past the viewing port
  • Water or condensate marks on or around the sight glass assembly
  • The gasket breaking up or crumbling when the sight glass is disturbed

Before you order

  • Confirm the appliance model against the fitment list above
  • Compare the part number 531201066 against the gasket being removed
  • Inspect the sight glass itself for cracks or damage before refitting
  • Check that the viewing port sealing face is clean and undamaged

Not sure which part?

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