The Ideal 173545 Plate Heat Exchanger Kit – ISAR HE35 is a genuine replacement component engineered to restore efficient heat transfer in compatible Ideal iSAR HE35 boiler models. This plate heat exchanger moves thermal energy from the boiler’s primary circuit into both the central heating and domestic hot water systems, helping maintain consistent temperatures, energy-efficient operation, and reliable performance. Supplied as a complete kit with the necessary seals and gaskets, it ensures secure, leak-resistant connections when installed by a qualified heating engineer during servicing, maintenance, or repair.

Compatibility for the 173545 plate heat exchanger kit includes Ideal iSAR HE35 boilers that utilise this specific exchanger design and configuration. Always verify the boiler’s exact model and part requirements before installation to ensure correct fit and dependable performance.

Using a genuine Ideal heat exchanger kit helps support efficient heat transfer, maintain stable heating and hot water delivery under varying demand, and contribute to the long-term reliable and energy-efficient operation of your central heating and hot water system.