SANSO Circulation pump for hot and cold water Type PB-4023 Application • Hot and cold water circulation • Smart, small, light and high efficiency Smart, small, light and high efficiency Ï No burning because of motor protector  Ï Many plugs for air passage are installed for easy air removal. Ï Easy maintenance because of capsule type in structure. Ï Anti-rust treatment for contact part with water. Specifications Model : PB-4023A Rated output ( W) : 400 Rated Voltage ( V) : 200 Diameter A( mm) : 40( 1½ B) Flow rate ( L/ min) : 100· 160· 200 Total head ( m) : 11· 9· 7· 5 Rated consumption ( W) : 620 Rated current : 2 . 1 Motor protector : Manual Weight ( kg) : 21. 5 Model : PB-4023B Rated output ( W) : 400 Rated Voltage ( V) : 200 Diameter A( mm) : 40 ( 1½ B) Flow rate ( L/ min) : 110· 180· 220 Total head ( m) : 10.5· 8· 6 Rated consumption ( W) : 601 Rated current : 2 Motor protector : Manual Weight ( kg) : 17.5