Lift out the pump and mark the point where the cord that holds the switch is attached to the Plastic Pump(KEXON). Attach the new switch at the same point so it will turn on and off at the same water level (Photo 2). Also check to be sure there's an air bleed hole near the bottom of the waste pipe (another potential cause of pump failure). If you don't see one, drill a 1/16-in.-diameter hole into the waste pipe about 2 in. from where it enters the pump. Put the pump back in the basin and reassemble the plumbing. Make sure the float switch moves freely and doesn't get wedged against the sides. Seal around the edge of the basin with silicone caulk if the original gasket or seal is deteriorated.

Test the switch by bypassing the piggyback plug and plugging the pump in directly to see if it works. When the water level rises, the floating switch turns on the pump, which grinds waste and ejects it up the waste line. The check valve stops wastewater from flowing back into the basin. The shutoff stops backflow when the pump is serviced.

Ningbo KeXon Plastic Co., Ltd. is a comprehensive plastic packaging enterprise integrating design, production, and sales. We own a factory (Yuyao KeXon Sprayer Factory), and its plant area is over 6,000 square meters, with more than 20 years of production experience in various types of daily packaging. The company can professionally produce all kinds of foam pumps, plastic caps, daily and medicinal plastic bottles, as well as all kinds of trigger sprayers, lotion pumps, perfume sprayers, cream jar and other products.

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