Part No: - 5114710. Baxi DUOTEC HE 28. Baxi DUOTEC HE A 28. Baxi DUOTEC HE LPG 28. Baxi DUOTEC HE 33. Baxi DUOTEC HE A 33. Baxi DUOTEC HE LPG 33. Genuine Baxi Part Not a cheap Chinese make.
eBay