T&S Brass B-3952 3-1/2 Inch Twist Handle Waste Drain Valve

T&S Brass B-3952 Waste Drain Valve Twist Handle 3-1/2 x 2 In.The T&S Brass B-3952 is a twist-handle waste drain valve built for commercial sinks with a 3-1/2 inch drain opening. It handles drainage on prep sinks, pot sinks, and three-compartment sinks where a simple, operable drain control is required — a common need in restaurant kitchens, cafeterias, and institutional dishrooms. This rotary valve replaces older T&S models B-3913 and B-3917, making it a direct swap on existing T&S-equipped sinks. Cast bronze body with rough chrome plating — built for the corrosion and heat exposure common in commercial sink applications Twist handle with heat-resistant plastic grip opens and closes the drain without tools 2-inch NPT male outlet and 1-1/2-inch NPT female outlet give flexibility for connection to standard commercial drain lines Rated at 17 GPM flow rate and handles water temperatures from 40°F up to 180°F — sufficient for hot-water sanitizing sinks Includes a 3-1/2-inch snap-in removable strainer and an overflow outlet with cap and sealing washer Certified to ASME A112.18.2/CSA B125.2; overall height 4-1/2 inches A plumber or facilities manager replacing a failed drain valve on a commercial three-compartment sink will find this a straightforward fit — confirmed T&S specs, standard NPT connections, and the accessories needed to complete the installation are all in the box. Specifications Drain Opening Size 3-1/2 in Outlet Connections 2 in NPT male / 1-1/2 in NPT female Replaces Models B-3913, B-3917