Monitor and view tanks, steam traps, pipes and system interiors with these window sights. Find a wide selection of sizes and bodies for your application.
Fused glass style sight windows feature glass to metal bond for utmost reliability. Plated steel bodies have convenient hex wrench surfaces. Connections are standard NPT in sizes from 1/4" to 2". Windows are clear, ripple free, and flush with the front face, having no recess on which dirt might collect.