Place the pomodoro sauce in a large pan, then warm over medium to medium-high heat until simmering.
Meanwhile, bring a large pot of water to a rapid boil, then season generously with Kosher salt. Add pasta and cook according to package directions until al dente. Reserve cooking water, then drain the pasta.
Add the cooked pasta and the reserved cooking water to the pomodoro sauce, then stir until thoroughly coated. Add more water.