Do i need to change the 2 toilet fittings to a double Wye?? Looks like they used a double sanitary Tee. How could I go about changing it out to a double
NIBCO 2 in. x 2 in. x 1-1/2 in. x 1-1/2 in. PVC DWV All Hub Double Sanitary Tee C4835HD22112112 - The Home Depot
Why Can't A Double Sanitary Tee Be Used Here | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
4835-9-9 - Double Sanitary Tee with Two 90° Inlets Hub - PVC DWV On NIBCO