Baxi Combi 33 HE - 47-075-22. Baxi Platinum Combi 33 HE - 47-075-29. Baxi Platinum Combi 33 HE A (After Serial No. BNE1112 Issue 5) - 47-075-33. Baxi Platinum Combi 33 HE A (Before Serial No. BNE1112 Issue 6) - 47-075-33 BEFORE.
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