Worcester Greenstar 28i Junior HE PCB 87483006500 (was 87483006340) – Refurbished

No display, ignition failure, or intermittent error codes in a Worcester Greenstar i System, Si, or 28i Junior HE boiler typically point to a failing main PCB. This board manages all core electronic functions and component communication.

The Worcester Greenstar 28i Junior HE PCB (Part No. 87483006500, formerly 87483006340) is the refurbished direct replacement, restoring stable operation across the Greenstar i System, Si, and Junior HE ranges.

Compatible Boiler Models

Tested. Reliable. Warranted.

Every refurbished Worcester PCB we supply is tested and checked for consistent performance before dispatch. Supplied with a full 12-month warranty.

Delivery & Returns

Orders placed before 3:00 PM (Mon–Fri) are dispatched the same working day. Standard and next-day delivery available at checkout, including Saturday delivery for an additional charge. Returns accepted within 30 days in original unused condition.

Note: Please confirm that part number 87483006500 / 87483006340 matches your existing board and check your boiler's GC number before ordering. Installation must be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.