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Johnson & Starley CVBC Main Ignition and Control PCB 1000-0523415

Johnson & Starley

Johnson & Starley CVBC Main Ignition and Control PCB 1000-0523415

Main ignition and control PCB (CVBC) for Johnson & Starley RENO 16, 25 and 31 gas boilers, including H, S and propane variants.

At a glance

  • Also known as 1691373
Manufacturer part no.
1000-0523415
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 manufactured by Johnson & Starley for its RENO range of gas boilers. It handles ignition sequencing, flame supervision and burner control from a single board. It is used across the RENO 16, 25 and 31 models in both H and S variants, including propane versions.

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
  • Burner fires intermittently or shuts down mid-cycle
  • No response to thermostat or programmer demand
  • Board shows visible damage, scorching or burnt tracks

Before you order

  • Check the appliance data badge to confirm the model and variant (H, S or propane)
  • Compare the part number printed on the existing board with 1000-0523415
  • Isolate the electrical supply and gas before removing the old board
  • If the model is not listed, check the manufacturer's parts list before ordering

Not sure which part?

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