The Baxi 720884901 Seal Plate Heat Exchanger (4 Pack) is a genuine replacement sealing kit designed to provide reliable, leak-resistant seals for the plate heat exchanger connections in compatible Baxi boilers. These high-quality seals are precision-engineered to sit between the plates and adjoining pipework, ensuring watertight integrity under normal operating pressures and helping maintain stable system performance. Supplied in a convenient pack of four, this seal set is ideal for use during servicing, maintenance, or when replacing a heat exchanger where multiple seals are required.

Compatibility for the 720884901 heat exchanger seal pack includes Baxi boiler models that utilise this specific plate seal design, such as Duo-Tec2, EcoBlue Advance, Platinum, Main Combi, and other compatible units that use the corresponding heat exchanger configuration. Always confirm your boiler’s exact model and parts requirements before installation to ensure correct fit and dependable performance.

Using genuine Baxi heat exchanger seals helps maintain effective sealing at critical junctions, prevents leaks, supports efficient thermal transfer, and contributes to the long-term safe and reliable operation of your central heating and domestic hot water system.