(Compatible with Baxi Duo-tec Combi 24, 28, 33, 40 series boilers. Duo Tec 24 Combi ErP (Serial No. Ending AC Issue 3) 47-075-96 AC. Ending BC Issue 2) 47-075-96 BC. Ending CC ) 47-075-96 CC. Ending DC ) 47-075-96 DC.
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