A Baxi gas inlet elbow for use in the gas assembly of boilers such as the Duo-tec ErP, Megaflo, Platinum, System IE, Main Eco Elite ErP, Main HE, Gold ErP, Heatmax, Performa, Promax, Titanium, Titanium ErP, Combi, Duo-tec, Megaflo IE ErP, Platinum ErP, Main Eco Elite, Apollo, Gold, Promax ErP, Main Eco, Megaflo ErP, System, Platinum plus, and Main Combi or Combi HE boilers.