Float Switch,DC 0~110V Stainless Steel Double Ball Float Switch Water Level Controller Sensor Switch for Water Tank,Pool,Sink,Fish Tank,etc (200mm) sold2026 there is a hexagonal groove Size:1 m there is a hexagonal groove on the mechanical threaded end Apply a layer of Aqua Pro waterproof sealant that reliably covers the damage 91in 200mm 7 A small relay(like HH54P) is needed for transition
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