Visible Pool Check Valve- Check Valve- Simple Installation Corrosion-Resistant Transparent Durable for Swimming Pool Pond

Feature:1. Simple installation, installed at the pump outlet, prevent water backflow from damaging pump impeller. 2. Wide application, suitable for swimming pool, pond, Spa sauna pool and bathing pool. 3. Made of high quality ABS+PVC material, corrosion resistant, reliable and durable in use. 4. Transparent and visible, clear chamber to easily see if there is any debris caught inside. 5. Swimming pool valve, high reliability, a practical accessory using in swimming pool. Specification: Condition: 100% Brand NewItem Type: Check ValveMaterial: ABS+PVCColor: As shown in the pictureSize: Approx.22x7cm/8.7x2.8inTransparent Lid Diameter: Approx.13.5cm/5.3inConnector Inner Diameter Size: Approx.6.66cm/2.6inWeight: Approx.705g/24.9ozApplication: Installed in the outlet of the pump to prevent water backflow and damage the pump impellerInstallation and use instructions:1. Determine whether the diameter of the pipe to be installed is consistent with the installation diameter of the valve. The nominal diameter of the valve is: 2 inches2. Before the valve is used, a manual operation test should be carried out to observe whether the sealing baffle of the valve will rebound to the original position to determine whether the valve is damaged during transportation3. Before installing the valve, check: A. Whether the water pump on the pipeline used is in the off state: B. Whether there is debris in the inner cavity of the valve, and keep the inner cavity of the intermediate door clean: C. The flow direction marked on the valve must be consistent with the flow direction of the pipeline liquid.4. Before installation, clean the oil stains or other debris on the installation nozzle and in t