Our product is TUV approved, customers including Vaillant, Baxi, Baykan, Airfel etc. Mina technical parameters for motor valveNominal voltage: AC 220V, 50Hz The voltage fluctuation allowed: -15% ~ +10% of the nominal voltage Insulation resistance: above 500mΩ measured by DC 500V megohmmeter Electric strength: the current leakage is below 10mAh under 1,800V, 50Hz for 1 min Idle power: 2.5 ± 0.1W ...