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Johnson & Starley JB25P Mk5 burner and control assembly B265-0800000

Johnson & Starley

Johnson & Starley JB25P Mk5 burner and control assembly B265-0800000

Burner and gas control valve assembly for the Johnson & Starley JB25P Mk5 warm air heater.

At a glance

  • Also known as 1691710
  • Have the replacement fitted by a Gas Safe registered engineer
Manufacturer part no.
B265-0800000
GC number
E23-907
Showing prices

£1,056.90

£880.75 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 B265-0800000 is the burner and control assembly, listed in Johnson & Starley's own servicing manual as item 15 for the JB25P Mk5 warm air heater. It combines the main burner with its gas control valve to manage gas flow to the burner.

Signs this part needs replacing

  • Burner fails to ignite or ignites unevenly
  • Gas valve fails to open or close correctly on a call for heat
  • Unit locks out on a gas or ignition fault
  • Yellow or unstable flame at the burner

Before you order

  • Confirm the model and mark number on your appliance data plate
  • Match the part number printed on your existing assembly
  • Isolate the gas and electrical supply before removal
  • Have the replacement fitted by a Gas Safe registered engineer

Not sure which part?

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