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Johnson & Starley CVBC Main Ignition & Control PCB 1000-0522575

Johnson & Starley

Johnson & Starley CVBC Main Ignition & Control PCB 1000-0522575

Main ignition and control PCB (CVBC) for Johnson & Starley Reno 25S, 25H and 30C gas boilers.

At a glance

  • Also known as 1691370
Manufacturer part no.
1000-0522575
GC number
H23-621
Showing prices

£265.09

£220.91 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 CVBC main ignition and control PCB is a printed circuit board manufactured by Johnson & Starley for the Reno range of gas boilers. It manages the ignition sequence and governs the boiler's operating cycle. This board is listed for Reno 25S, 25H and 30C models.

Signs this part needs replacing

  • Boiler fails to ignite or produces no spark at the burner
  • Repeated lockouts or fault codes after a call for heat
  • No power or display at the control board
  • Intermittent operation or the boiler cutting out mid-cycle
  • Fan, pump or gas valve not being driven when demanded

Before you order

  • Confirm the appliance model and GC number against the fit list above
  • Check the part number on the existing board matches 1000-0522575
  • Confirm whether the boiler is natural gas or propane, as both variants are listed
  • Isolate the electrical supply before removing or fitting the board

Not sure which part?

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