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Johnson & Starley Phial Pocket Retaining Plug 1000-2500070

Johnson & Starley

Johnson & Starley Phial Pocket Retaining Plug 1000-2500070

Phial pocket retaining plug for Johnson & Starley warm air units and water heaters, available in Viton or silicone.

At a glance

  • Also known as 1690012
Manufacturer part no.
1000-2500070
Showing prices

£1.60

£1.33 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 Johnson & Starley 1000-2500070 is a phial pocket retaining plug used on Johnson & Starley warm air units and water heaters. It holds the phial pocket in position so the temperature sensing phial sits correctly within the appliance. The plug is available in Viton or silicone.

Signs this part needs replacing

  • The phial pocket is loose or no longer seats correctly in the appliance
  • The plug has hardened, cracked or perished
  • Air or flue gases are passing around the phial pocket
  • The phial reading is erratic or the appliance cycles incorrectly
  • The plug fails to seal again after the phial has been removed and refitted

Before you order

  • Confirm your appliance model against the fit list above
  • Check whether the existing plug is Viton or silicone before ordering
  • Inspect the phial pocket and phial for damage while the plug is removed

Not sure which part?

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