Instant Electric Water Heater(CK03B1) 1. 3kw, 3.5kw, 5.5kw 2. be used in ... -sink 3. hot water on demand Instant Electric Water Heater(CK03B1)/Undersink mini water heater Features:1. High strength ABS material ... ½'' BSP½''BSP½''BSPDistance of water connections100mm100mm100mm Instant Electric Water Heater(CK03B1)/Undersink mini water heater