Watts 0777500|WW0777500 - 4 TR GRVxCIPS

This 4 inch, 6 x 6 foot stainless steel transition riser is used to connect the main water supply to the building system. The fitting passes under the foundation without joints and extends up through the floor. Provided with installation tabs, the unit has a 4 inch CIPS (Cast Iron Pipe Size) coupler for easy connection to the underground supply (AWWA C900 PVC) and (Ductile Iron Pipe) a 4 inch industry standard grooved-end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system.