... glass lid Verified Information This information is Verified by TÜV Rheinland and is valid for the following period: ... Quality Certification Centre 2012010706548197 Instantaneous water heater & DY-001, DY-002, DY-003, DY-006, DY-007, DY-012 2012/06/08 --- 2017/06/08 ... Testing Technology Co., Ltd. Instantaneous water heater & DY-001, DY-002, DY-003, DY-006, DY-007, DY-012 2011/12/12 --- 2049/12/31