Patterson-Kelley 26-0000-0047 Sight Glass Holder

The Patterson-Kelley 26-0000-0047 Sight Glass Holder is a mounting component used to secure and support a sight glass assembly within heating equipment. It provides a stable seating point for the viewing glass, allowing proper alignment and retention inside the boiler or combustion chamber interface. In HVAC systems, it is commonly applied in boiler units where it is positioned on the inspection port section to enable visual monitoring of internal conditions. The holder is integrated into the front or side panel assembly of the equipment, maintaining the sight glass position during temperature variations.