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Potterton Joint Gasket Gas Valve 658997

Potterton

Potterton Joint Gasket Gas Valve 658997

Potterton 658997 joint gasket that seals the gas valve to burner connection on Paramount commercial boilers.

Manufacturer part no.
658997
Showing prices

£10.68

£8.90 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

This is the Potterton seal for the nipple connection between the gas valve and the burner, supplied under part number 658997. It is a joint gasket used on Potterton Commercial Paramount appliances. Its function is to seal the gas path at the valve-to-burner joint.

Signs this part needs replacing

  • Gas odour detected around the gas valve or burner assembly
  • Leak detection fluid bubbling at the valve-to-burner joint
  • Combustion readings drifting from previous service values
  • Visible hardening, cracking, flattening or deformation of the seal
  • Repeated lockouts or ignition faults traced to the gas valve area

Before you order

  • Confirm the appliance model and kW output against the fit list above
  • Verify the existing seal is marked or listed as part number 658997
  • Inspect the mating faces of the gas valve and burner nipple for damage before reassembly
  • Confirm the seal is correct for the gas train configuration fitted to the appliance

Not sure which part?

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