The winter is coming, do you worry about that when you use the pump under low temperature conditions ,the pumps are easy to be frozen and the pump body is easily be cracked? Don’t worry ,we have find some ways to prevent these circumstances. 1,We should run all water out of pipes and pump tunnels, after the Self suction booster water pump is discontinued in winter.it can prevent the pipe or pump body to crack when the water fozen ,and clean up the dust and dirt on the surface of the pump or pipes. 2,We should have regularly checking for the pump,we should examing the impeller, bearing, sealing ring, valve and other vulnerable parts. If there is serious wear of cast iron components or surface rust, the parts should be replaced as soon as possible.The clean the pump by gasoline,after that we paint some anti-freezing oil to the parts then fixed it. 3,For the pump cavity, connecting parts and other cast iron parts,we use the steel brush to clean up the rust, then coat them wi...