Baxi Boilers Baxi Combi Series. Combi 80 Eco – GC No. 47-075-05. Main Combi Series. Combi 24 – GC No. 47-474-01. Combi 24 HE – GC No. 47-474-02. Performa 24 Eco HE – GC No. 47-393-11. Performa 24 Eco HE 2 Composite Block – GC No. 47-393-25.
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