Description
This is an interior wall bottom drain fitting designed for Cal Spa hot tubs, featuring dual 3/4″ slip connections with approximately 1″ inner diameter. Installed on the foam-backed side of your spa shell, this component receives the drain fitting that threads directly into it. Replacement typically requires positioning the spa vertically and accessing through the foam insulation layer.
Part numbers: 21400196, 640-1620
Essential for addressing bottom drain leaks, cracks, or damaged fittings in your Cal Spa hot tub system.
