Efficient Drainage for High‑Volume Kitchen Sinks
The T&S Brass B-3940-01 twist waste valve ensures fast, hands‑free draining for busy restaurant sinks.
Key Features
- Twist handle opens and closes instantly, cutting staff motion during peak service.
- Designed for a 3 in sink opening and 2 in drain outlet, includes a 1‑1/2 in NPT adapter for flexible fit.
- Built‑in overflow tube and head stop water backup, keeping sink flow steady.
- Heat‑resistant plastic grip and ASME A112.18.2 / CSA B125.2 certification guarantee durability in commercial kitchens.
From The Manufacturer
Waste Valve, twist handle, 3" sink opening, 2" drain outlet with 1-1/2" adapter & overflow assembly
Images show the product series. Color, configuration, included items and accessories vary by model. See the spec sheet for this model.












