1. The installation method is divided into two ways: Type A installation (installation in the inspection well) and Type B installation (direct-buried installation).
2. Before installing this product, please clean up the dust and other foreign objects on the valve body and pipeline.
3. According to the depth of the local frozen layer, connect the water inlet of the lower valve body of the standpipe antifreeze plug to the main tap water pipeline below the frozen soil layer in the direction indicated by the arrow, and leave a water seepage space of more than 20cm under the drainage port of the lower valve body (this space The inside can be filled with pebbles or block stones to facilitate water seepage).
4. The user can determine the height of h1 according to the actual height.
5. It is recommended to install the main valve in front of the valve body under the antifreeze plug for easy maintenance.
【Installation Precautions】
1) The product should be stored in a cool and ventilated place before installation. It should not be placed in a high-temperature dry place or a place exposed to direct sunlight, nor should it be placed in a place prone to ozone.
2) When installing, be sure to confirm the inflow and outflow direction according to the direction indicated by the arrow on the product.
3) It is strictly prohibited to use this product in non-tap water pipelines.
4) Before installing the product, confirm the water supply, water stop and drainage. The test method is carried out in accordance with the method of use. In the state of water supply, it is normal that water can be discharged by turning on the tap. It is normal to put your hand on the faucet and feel a sense of adsorption when draining.
5) Except for maintenance, please don't disassemble, disassemble or modify without permission, otherwise it may cause water leakage or accidents.