Worcester Greenstar 30Si Compact ERP PCB 873790949A0 – Refurbished

Boiler failures caused by no power, ignition faults, or control errors in Worcester Greenstar Compact models are frequently traced to a failed PCB. The Worcester Greenstar PCB 873790949A0 is a refurbished control board that manages all electrical functions within the boiler, restoring stable operation and reliable heating performance across the Greenstar Compact, CDI Compact, SI Compact, and i System Compact ranges.

Available as PCB with Chip Only or PCB with Display, and for Combi or System boiler types. Each unit is tested and verified before dispatch. Condition: Refurbished. Supplied with a 12-month warranty.

Key Features

• Manufacturer Part Number: 873790949A0
• SKU: PCB-2648-A-BC
• Available: PCB with Chip Only, or PCB with Display
• For Combi and System boiler types
• Fixes faults: no power, ignition failure, control errors
• Condition: Refurbished | Warranty: 12 Months

Compatible Boiler Models

Worcester Compact Series: 533 Compact (47-406-58), 533 Compact ErP (47-406-83), 535 Compact (47-406-59), 535 Compact ErP (47-406-84)

Greenstar CDI Compact: 28/32/36 CDI Compact (standard & ERP, NG & LPG)

Greenstar i System Compact: 27i/30i System Compact (standard & ERP, NG & LPG)

Greenstar SI Compact: 25 SI / 30 SI Compact (standard & ERP, NG & LPG)

Important Notes

Select your boiler type (Combi/System) and product option (PCB with Chip / PCB with Display) when ordering. Verify part number matches 873790949A0 before purchase. Must be installed by a Gas Safe registered engineer. All prices inclusive of VAT.