Rerouted hot and cold waterlines in attic approximately 10 feet. Ran T@P line to existing drain in attic. Repiped gasline in attic to tankless waterheater. Installed Rinnia Tankless waterheater . Ran condensate line from tankless to existing drain in attic. Insulated hot and cold lines in attic. Ran 3" PVC vent to roof. **(Roof boot needs to be properly installed by roofer). Removed existing waterheater.