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</html><thumbnail_url>https://i1.wp.com/www.absfloat.com/wp-content/uploads/2020/07/01134.jpg?fit=720%2C405&amp;ssl=1</thumbnail_url><thumbnail_width>720</thumbnail_width><thumbnail_height>405</thumbnail_height><description>you are reading is: Float ball valve, Solutions to control failures, there are many reasons why the float level valve overflows the water surface. In areas with unclean water quality, it is easy to be blocked by scale and malfunction. When encountering this situation, please swing the pole up and down several times to let the scale flow out with the amount of water. In the worst case, disassemble the main body to remove internal scale. Optional Dongxing floating ball liquid level valve, high pressure resistance, long life.</description></oembed>
