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Glow-worm Gasket Electrode (PK 5) S1042400

Glow-worm

Glow-worm Gasket Electrode (PK 5) S1042400

A pack of five electrode gaskets for Glow-worm gas boilers, part number S1042400.

At a glance

  • Also known as 1337603
Manufacturer part no.
S1042400
Showing prices

£29.87

£24.89 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 a pack of five electrode gaskets for Glow-worm gas boilers. The gasket provides a seal for the electrode assembly. It is suitable for a range of Glow-worm and Saunier Duval models.

Signs this part needs replacing

  • Gasket showing signs of cracking or hardening
  • Combustion-related faults or ignition problems
  • Evidence of leakage around the electrode
  • Boiler lockout or ignition failure

Before you order

  • Check your boiler model against the fit list above
  • Confirm the part number S1042400 matches your requirement
  • For Saunier Duval Isofast Condens F35E, check the serial number against the before/after note
  • Verify the quantity required for your service

Not sure which part?

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