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Gledhill Contactor XB178

Gledhill

Gledhill Contactor XB178

16A relay/contactor for Gledhill Boilermate A Class and Pulsacoil A Class thermal stores.

At a glance

  • Also known as 2000257
Manufacturer part no.
XB178
Showing prices

£16.98

£14.15 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 Gledhill XB178 is a 16A relay (contactor) used in the control circuit of Gledhill Boilermate A Class and Pulsacoil A Class thermal stores. It switches the higher-current load called for by the appliance controls, isolating the low-voltage switching side from the mains load. It is a serviceable electrical component on the cylinder.

Signs this part needs replacing

  • No hot water or heating even though the programmer and cylinder thermostat are calling
  • The contactor chatters or buzzes audibly when the appliance runs
  • Burning, pitting or discolouration visible on the contact terminals
  • Intermittent switching, with the appliance cutting in and out without a clear pattern
  • The appliance has stopped responding to demand and the contactor is not pulling in

Before you order

  • Confirm the appliance is a Gledhill Boilermate A Class or Pulsacoil A Class
  • Check the rating and terminal arrangement of the existing contactor against this part
  • Isolate the electrical supply before removing the old contactor
  • Note the wiring connections and terminal positions before disconnecting

Not sure which part?

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