Description
The Bosch 7747021876 is a genuine OEM replacement glass pane designed for use in Bosch boiler and hydronic heating systems. Measuring 30mm x 30mm with a 3mm thickness, this precision-cut glass pane is engineered to meet the exact specifications of the original equipment, ensuring a proper fit and reliable performance.
Product Overview
This replacement glass pane is an essential service component for maintaining the integrity of sight glass assemblies found in Bosch boilers and hydronic heating equipment. Using genuine OEM parts ensures compatibility, safety, and long-term reliability — keeping your system operating at peak efficiency.
Key Specifications
- Part Number: 7747021876
- Dimensions: 30mm x 30mm x 3mm
- Thickness: 3mm
- Type: Replacement Glass Pane
- OEM Genuine Bosch Part
Features & Benefits
- Genuine Bosch OEM replacement — ensures exact fit and compatibility
- Precision dimensions (30x30x3mm) for accurate installation
- Designed for use in boiler and hydronic sight glass assemblies
- Maintains system visibility and operational safety
- Direct factory replacement for simplified servicing
Application
Suitable for replacement in Bosch boiler sight glass assemblies and hydronic heating system inspection windows where the original glass pane requires replacement due to damage, cracking, or routine maintenance.







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