Eberspacher Hydronic S3 HS3 D5E D4E Burner Gasket Seal | 252652990105

The Eberspacher Hydronic S3 HS3 D5E D4E Burner Gasket Seal is a genuine repair part designed to restore sealing integrity within Hydronic heaters. This seal supports reliable combustion and consistent heat output by preventing leaks at the burner interface. Suitable for D4E and D5E 12V CL units and compatible CI-Bus configurations, it is a recommended replacement during internal maintenance to sustain optimal heater performance. Included are the model-specific applications and guidance for installation, ensuring compatibility with a range of Hydronic heaters referenced by Butler Technik. For technical support and access to related products, contact Butler Technik. Choosing this gasket seal helps maintain efficient operation, reduce emissions, and extend the service life of your Hydronic system.