The Viessmann 7831659 Plate Heat Exchanger – BP10-26 is a genuine replacement component engineered to deliver efficient and reliable heat transfer in compatible Viessmann boiler systems. This plate heat exchanger transfers thermal energy from the boiler’s primary circuit into the domestic hot water and central heating circuits, helping maintain stable temperatures, strong performance, and energy-efficient operation. Manufactured to Viessmann’s strict quality standards, it provides durable, long-lasting performance when installed by a qualified heating engineer during servicing, maintenance, or when replacing a worn, fouled, or failed exchanger.

Compatibility for the 7831659 plate heat exchanger includes Viessmann BP10-26 boiler models and other units that utilise this specific plate exchanger design. Always confirm your boiler’s exact model and part specification before installation to ensure correct fit and optimal performance.

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