1.5 in. Threaded Plug with Gasket - SP1022B
Our selection of swimming pool plugs and fittings, used for pool pumps, filters, heaters, etc.
Hayward Flush Style Threaded Winterizing Plug - 1-1/2"
The Hayward SP1022B plug has a low profile design and a flat cork gasket. Used as a vacuum line plug, or as an in-floor hydrostatic relief pipe plug. 1.5 inch threads also fit many pool filter drains. SP1022C is also available, similar to this plug but with raised tabs and a rubber gasket, making it suitable for plugging skimmers and returns, for winterization purposes.