... protection, easy installation, 2,can be used to supply water. Gear pumpera) Specifications 1) Degree of protection IP: 44 2) Insulation ... ,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 ceritifications we appriovedCE certification,UL certification,GS ...