Waterway 1" Eyeball Fitting [1-1/2" Insider, 2-3/8" FD, 1" Orifice] [Black] (400-1421E) watertestkits Helps restore the primary water-moving

Helps restore the primary water-moving pump element

Supports cleaner and more dependable heater service

This Gecko AquaFlo A [Val-Pak] 1

or no longer produces reliable water heat

That makes it practical both for maintenance and for restoring visible system feedback

Waterway 1" Eyeball Fitting [1-1/2" Insider, 2-3/8" FD, 1" Orifice] [Black] (400-1421E) watertestkits Helps restore the primary water-movingThe Waterway 400 1421E 1 inch eyeball fitting is designed for compatible return and inlet applications using a 1 1 2 inch insider fit, a 2 3 8 inch face diameter, and a 1 inch orifice. Eyeball fittings are useful because they help direct returning water flow, which can influence circulation patterns and overall system performance. The black finish gives this fitting a strong visual profile that can blend especially well with darker pool or spa