Zoeller 30-0048 — 2″ Quiet Check Valve w/ Quarter Turn Ball Valve Spacing_Blank A: ⅜″ OD barbed

A: ⅜″ OD barbed

It is a single-station controller for one compatible 24 VAC load

place the unit on a flat

1-inch male-threaded inlet

Zoeller 30-0048 — 2″ Quiet Check Valve w/ Quarter Turn Ball Valve Spacing_Blank A: ⅜″ OD barbedZoeller 30 0048 2 Quiet Check Valve The Zoeller 2 Quiet Check Valve (Model 30 0048) is engineered to prevent backflow and minimize system noise in sump and sewage pump installations. Its quiet, spring loaded flapper design helps eliminate the loud water hammer effect, making it a reliable solution for residential, commercial, and light industrial applications that demand smooth and silent operation. Key Features & Benefits Quiet Operation: Spring