The Worcester Greenstar 12 15 18 24 RI PCB Circuit Board 87483008550 is a genuine replacement part for gas boilers designed by the brand Worcester. This green PCB unit is specifically made for indoor mounting in boilers with an energy efficiency rating of A+++. Manufactured in Portugal, this circuit board carries a manufacturer warranty of 1 year, ensuring quality and reliability for your heating system. Ideal for maintaining or repairing your boiler, this new genuine part is essential for the optimal functioning of your heating system. New in original box