Does anyone know how these work? Do they pop out with water pressure and return under spring pressure, or is there more to them?
Mine were used today and didn't return, so pushed them back by hand. If they work as I assume, it may be through lack of use.
Any advice? Ta
Mine were used today and didn't return, so pushed them back by hand. If they work as I assume, it may be through lack of use.
Any advice? Ta