Antifreeze method for PPR pipelines: Explosion of exposed pipelines, faucets and other water supply facilities must be carried out with thermal insulation materials such as cotton and linen fabrics and plastic foam, and the surface of the water surface should be kept dry and clean. The wells of the water meter should be filled with sawdust or other thermal insulation materials to prevent freezing. crack; in severe cold weather, in order to prevent the water pipe from freezing at night, you can turn the faucet slightly open, so that water can drip from the faucet into the water line, as long as the water continues to flow, it will generally not freeze; emergency thawing, after the water pipe is frozen , you should first cover the faucet and water pipe with a towel or damp cloth, turn on the switch, and then start from the faucet, slowly pour hot water on the water pipe section by section, and gradually extend, so that the ice cubes in the pipe slowly melt, and it will be ready soon. Restore water.
