Hitachi Yutaki Heat pump air/water outdoor unit. Heat pumps and accessories air/water & ground/water (Plumbing / Heat / Heat pumps and accessories). Principal data: heating capacity 4.3 kW, pipe connection 1/2 x 1/4", type designation RAS-2WHVRP1. Supplied under manufacturer part number 60289258, HS code 8415.82, country of origin Germany.