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Firebird Capacitor 4µF ZE20087025

Firebird

Firebird Capacitor 4µF ZE20087025

4µF capacitor for Firebird oil boilers, listed as a replacement for part ZE3005798.

Manufacturer part no.
ZE20087025
Showing prices

£27.60

£23.00 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 Firebird 4µF capacitor is a motor-run capacitor used in Firebird oil-fired boilers. It is supplied under part number ZE20087025 and is listed by the manufacturer as a replacement for ZE3005798. The capacitor provides the phase shift needed for reliable starting and running of the boiler's motor-driven components.

Signs this part needs replacing

  • The boiler motor hums but does not start or run
  • The boiler locks out or fails to fire on a call for heat
  • The motor runs erratically, stalls or overheats
  • Repeated fuse or trip faults on the boiler circuit
  • Visible swelling, bulging or leakage at the capacitor body

Before you order

  • Confirm the capacitance rating required by the boiler, as the value must match the failed component
  • Check the original capacitor's terminal arrangement and mounting method against the appliance before fitting
  • Isolate the electrical supply and discharge the capacitor before removal or testing
  • Verify the boiler model against the fit list above, as capacitor ratings vary between models

Not sure which part?

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