Baxi Duo Tec 33 HE & DuoTec 40 HE Expansion Vessel Kit 5114692 + Baxi PRV 248056
Baxi Duo Tec 33 HE & Duo Tec 40 HE Expansion Vessel Kit + Baxi PRV MPN 5114692. This high-quality kit includes an expansion vessel and a pressure relief valve (PRV) to prevent pressure fluctuations and enhance boiler performance.