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Potterton Microswitch C/W Locknut 21/18677

Potterton

Potterton Microswitch C/W Locknut 21/18677

Potterton 21/18677 microswitch with locknut, a switch component for Potterton gas boilers.

At a glance

  • Part type: Microswitch, supplied with locknut
  • Appliance family: Gas boiler spares
  • Also known as 1120858
Manufacturer part no.
21/18677
GC number
289-543
Showing prices

£0.01

£0.01 ex. VAT · VAT at 20%

In stock
Order within 11m for same-day dispatch
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 Potterton 21/18677 Microswitch C/W Locknut is a switch component manufactured by Potterton, classed in the Microswitches part type. It is supplied with a locknut for mounting and is intended for use in Potterton gas boiler appliances.

Before you order

  • Check your boiler model and GC number against the fitment list above.
  • Confirm the existing microswitch part number matches 21/18677 before ordering.
  • Isolate the boiler from the electrical supply before any inspection or replacement.

Not sure which part?

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