Baxi Duo Tec 24 28 33 40 HE & HE A Pump 248042 7722642
Baxi Combi Series Baxi Duo Tec Series Baxi Platinum Combi Series Baxi System Series Baxi HE System Series 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.