... protection, easy installation, 2,can be used to supply water. Gear pumpera) Specifications 1) Degree of protection IP: 44 ... system.It also can be used to supply water and add pressure for mansions of city,villa ... ,house,to match with industrial equipment,to supply water in cycle for cooling air-condition,boiler and ... solar energy,supply hot water and keep warm in cycle,etc.c) the ...