Drain Plug with Socket AISI 316 Stainless Steel Ø 23 mm

Function and technical context

The threaded drain plug with snap closure is part of the hull emptying system and seawater cooling circuits on pleasure boats and work boats. Its function is to allow the complete drainage of water accumulated in the hull, bilge or engine block when the boat is taken ashore, avoiding the retention of water that could cause damage due to freezing, internal corrosion or overweight. Made of AISI 316 stainless steel and neoprene, it offers superior resistance to galvanic corrosion in marine environments with high salt concentration, unlike conventional brass or plastic plugs. With a diameter of 23 mm, it fits into the most common standardized drain holes in fiberglass and aluminum hulls, ensuring a tight seal that prevents water from entering when the boat is in the water.

When to replace this part?

The most common symptoms of deterioration in a drain plug are the appearance of microcracks or deformations in the neoprene gasket that cause slow leaks, visible corrosion in the threaded area that prevents a correct closure, or difficulty in screwing and unscrewing the plug smoothly. It is recommended to inspect the plug and its O-ring at each beaching or at the beginning of each nautical season, replacing the assembly if any sign of wear on the neoprene or corrosion on the steel body is seen. Replacing this component preventively is a low-cost measure that prevents unwanted water ingress and the costly repairs associated with a failure in navigation.

Compatibility