(Part Number: 5122147. Baxi Boilers Duo Tec Combi HE & ERP Range. Duo Tec 24 Combi ErP (Serial No. Ending AC Issue 3) – GC No.47-075-96 AC. Ending BC Issue 2) – GC No.47-075-96 BC. Ending CC) – GC No.47-075-96 CC.
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