All fittings are UL listed and FM approved for fire suppression|Manufactured using the latest technologies for material consistency and dimensional tolerances|Can be threaded into DWV cleanout fittings|Classified as a Class 150 malleable iron fitting, (rated at 150 psi) they are test pressure rated by UL and factory Mutual at 300 and 500 psi, configuration-specific|Solid design is not drilled and tapped for cover and cover screw|For DWV installations only and permitting access to system

Southern Code Standard