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Andrews Pilot Assembly Automatic E839

Andrews

Andrews Pilot Assembly Automatic E839

Automatic pilot assembly for Andrews water heaters, suitable for E669 and HI FLO 33/136 models.

At a glance

  • Also known as 1821502
  • Work on gas-carrying components must be carried out by a Gas Safe registered engineer
Manufacturer part no.
E839
Showing prices

£344.76

£287.30 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

The Andrews E839 is an automatic pilot assembly for Andrews water heaters. It provides the pilot flame and the flame supervision signal used by the appliance's gas control to prove ignition before the main burner is allowed to operate. It is listed under pilot burners within Andrews hot water spares.

Signs this part needs replacing

  • The pilot will not light, or lights and then goes out shortly after
  • The appliance locks out repeatedly after the pilot has ignited
  • Intermittent flame detection causing nuisance lockouts during normal running
  • Visible corrosion, cracking or heat damage to the pilot assembly or its lead
  • Soot or debris build-up around the pilot that cannot be cleared by cleaning

Before you order

  • Confirm your appliance model against the manufacturer's parts list
  • Check the existing pilot assembly part number on the appliance before ordering
  • Verify whether your unit is an E669 or a HI FLO 33/136
  • Work on gas-carrying components 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.