Warranty Coverage: Ningbo Plumbings & Fittings come with a 30-Day Limited Manufacturer’s Warranty. The manufacturer warrants their plumbings & fittings against defects in workmanship and materials. This warranty will be void if the plumbing/fitting is damaged as a result of improper installation or use, or if damage is a result of ice. The warranty does not cover any labor charges, cost of lost water or chemicals, or any other damages that may occur.