The Baxi 5118379 Spares Kit for the Heat Exchanger Pipe is a genuine replacement parts package designed to support maintenance and repair work on the heat exchanger circuit of 24 kW and 28 kW Baxi boilers. This kit includes the essential seals, fittings and pipework required to replace or refurbish the heat exchanger feed and return connections, helping restore correct water flow and pressure balance through the heat exchanger. A properly functioning heat exchanger pipe assembly ensures efficient transfer of heat into the central heating and hot-water circuits, while worn or leaking pipes can lead to pressure loss, reduced performance or system faults.

This spares kit is compatible with Baxi 24 kW and 28 kW boiler models that reference part number 5118379 in their technical documentation. To ensure correct fitment and reliable operation, always verify the kit part number against your boiler’s service information before installation, as components and configurations vary between models.

Supplied ready for use, the 5118379 Spares Kit allows a qualified engineer to replace the necessary heat exchanger pipe connections, restore proper sealing and support efficient system performance. Choosing this genuine Baxi component helps maintain stable heat transfer, reduce the risk of leaks and contribute to dependable heating and hot-water delivery in compatible boilers.