WORCESTER GREENSTAR 12RI 15RI 18RI 24RI BOILER PCB 87186871640 87483008550. Worcester Bosch Greenstar ErP 12Ri (GC No. 41-406-41). Worcester Bosch Greenstar ErP 18Ri (GC No. 41-406-45). Worcester Bosch Greenstar ErP 24Ri (GC No. 41-406-47).
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