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Andrews Transformer E771

Andrews

Andrews Transformer E771

Ignition transformer for Andrews Fastflo water heaters, providing the spark that lights the gas burner.

At a glance

  • Part type: Transformer
  • Also known as 1821466
Manufacturer part no.
E771
Showing prices

£108.73

£90.61 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 E771 is an ignition transformer used in Andrews water heaters. It sits within the ignition unit and provides the high-voltage spark that lights the gas burner. It is listed for the Andrews Fastflo range and associated hot water spares.

Signs this part needs replacing

  • No spark at the burner electrode when the appliance calls for heat
  • Appliance fails to ignite and locks out repeatedly
  • Audible ticking from the ignition unit but no burner ignition
  • Visible scorching, cracking or a burnt smell around the transformer
  • Intermittent ignition or nuisance lockouts

Before you order

  • Confirm your appliance model against the fitment list above
  • Check the existing transformer is marked E771 or matches the Andrews parts listing for your model
  • Isolate the electrical supply before removing or fitting the transformer
  • Inspect the ignition leads and electrode, as a failed lead can mimic transformer failure

Not sure which part?

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