87161064310 is the Worcester Bosch Pressure Relief Valve (PRV) used across a wide range of Greenstar CDi, Classic, i‑System, Junior HE, and Si‑series boilers, including the Greenstar 25Si. Greenstar CDi System & Combi models.
Worcester Greenstar 4000 Compact Remote PRV Kit 7733601314
Worcester Greenstar Combination Boiler Greenstar 28i Circuit Board Holder Hinges
Worcester Greenstar 12 15 18 Ri | 24i 28i Junior | 25Si 30Si ebmpapst Fan Assembly (H26-536) 87161160670 Genuine Part - Hanicks
Worcester Greenstar Boiler Electrode Kit 87376007950 87161163810 87181070870
Worcester GREENSTAR RI PCB 87483008550
Worcester Greenstar 12/15/18 Ri | 24i 28i Junior | 25Si 30Si Fan PCB RG128/1300-3612-020206 (H26-536) 87161160670 Genuine Part - Hanicks
