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Andrews Re-settable Limit Switch E878

Andrews

Andrews Re-settable Limit Switch E878

Re-settable high temperature limit switch for Andrews water heaters, part number E878.

At a glance

  • Appliance family: Andrews water heaters
  • Also known as 1821520
Manufacturer part no.
E878
Showing prices

£25.19

£20.99 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 E878 is a re-settable limit switch for Andrews water heaters. It is listed as a high temperature switch and is used across the Andrews Ecoflo water heater ranges. The re-settable design allows the switch to be reset after it has operated.

Signs this part needs replacing

  • The water heater locks out and will not restart.
  • The high-temperature cut-out trips repeatedly during normal operation.
  • The switch does not reset after it has operated.
  • The switch shows signs of overheating, burning or mechanical damage.

Before you order

  • Confirm the appliance model and series against the fit list.
  • Check the existing switch part number and terminal arrangement.
  • Verify the switch type and reset method match the existing part.
  • Isolate the power supply before carrying out any replacement.

Not sure which part?

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