Description
Monitor fluid levels confidently with the Conbraco 9858P 12 Redline Sight Glass, a high-visibility, durable glass tube designed for industrial and HVAC liquid level applications.
Key Features
- 5/8″ Outside Diameter (OD): Allows for clear and precise visual reading while maintaining strength under pressure.
- 12″ Length: Long enough to provide an accurate, reliable view of system fluid height.
- High-Pressure & Temperature Rating: Rated for up to 500 psi at 100°F and 250 psi at 400°F, making it suitable for tough boiler and hydronic environments.
- Redline Marking: Features a bold red reference line to help you quickly gauge liquid levels and detect system issues at a glance.
- OEM-Grade Quality: Manufactured by Conbraco, a trusted brand in valves and control hardware, ensuring compatibility and durability.
- Easy Installation: Designed to fit seamlessly into compatible gauge fittings for straightforward retrofitting or replacement.






