Installation

4
General Instructions
Introduction
The Series B-3990 Modular Waste Drains are designed to  t sinks with a 3-1/2” drain
opening. Versions with and without over ow tubes and various outlets adapters are
available.
Series B-3990 Waste Drains operate by a push/pull motion of the handle to close and
open the drain.
Features
· Low maintenance gate valve assembly
· Clear 2” diameter drain passage for fast draining and easy clog removal from sink
· Easy maintenance and replacement of service parts with out removal from sink
· Handle guard assembly for exposed applications for protection against damage from
mop buckets, push carts, etc.
· Modular design for co gurability and serviceability
· Optional handle length extensions available
· Vandal resistant drain guard provided to keep unsafe or unintended objects out of
the drain passage
· Multi-purpose sink  ange tool provided for easy installation
Installation
Figure 1 shows an explosion of the waste drain installation
Snap-in Strainer
Sink Flange Assembly
Gasket
Waste Drain Assembly
Figure 1
Drain Guard
Sink Bowl