Series TR Transition Risers are used to connect the main fire supply to the building overhead fire system. The fitting passes under the foundation without joints and extends up through the floor. Provided with installation tabs, the unit has a CIPS (Cast Iron Pipe Size) coupler for easy connection to the underground supply (AWWA C900 PVC) and (Ductile Iron Pipe) an industry standard grooved-end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system.
Corrosion resistant stainless steel construction, type 304SST
Ease of installation and lightweight allow one person to position and handle the riser
Minimal site preparation; joint restraint one-piececonstruction reduces time and labor; no missing parts, no leaks; easily identifiable for approvals
Sizes: available in 4" – 10" with various lengths to meet all local requirements
Designed to meet NFPA 24 Section 8-3.2
AWWA C900 Inlet/DIP
AWWA C606 Outlet
Outlet Connection Type
Inlet Connection Type
10 3/4 inch
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