zoro totoWarranty applies to WASHLET S7 and S7A.. 1. TOTO U.S.A., Inc. (TOTO) warrants its WASHLET S7 and S7A (Product) to be free from defects in materials and workmanshipTOTO offers an extensive range of products desned to meet your diverse needs. From toilets and urinals to sinks and bathtubs - each product reflects TOTO’s snature blend of functionality, aesthetics, and sustainability.