Baxi DuoTEC 24HE, 28HE, 33HE, 40HE A Filling Loop Kit 5119495 Genuine Part
Baxi Duo-Tec HE Models. Duo Tec 24 HE – GC No: 47-075-23. Duo Tec 24 HE A (After Serial No. BTG0815 Issue 9) – GC No: 47-075-35. Duo Tec 24 HE A (Before Serial No. BTG0815 Issue 9) – GC No: 47-075-35 BEFORE.