𝐀𝐭𝐭𝐞𝐧𝐭𝐢𝐨𝐧: When installing the fixed chemical injector, ensure that the arrow on the injector aligns with the direction of water flow; otherwise, it will not function properly. 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐂𝐥𝐞𝐚𝐧𝐢𝐧𝐠: The chemical injector for pressure washer uses the siphon principle to draw detergent from a separate container.