Installation Guide

Mounting Adaptor (#12904)
This adaptor will fit an InSinkErator sink opening of: 6-5/8" I.D. and 7-1/8" O.D.
Installation Instructions
1. Place the split ring (2) around the sink
bowl connection neck (located just
above the sink bowl connection lip).
2. Insert ten screws (1) through the split
ring (2), flat gasket (3), and mounting
flange (4) tapering downward. With
screws protruding through the mounting
flange (4), attach ten lock washers (5)
and ten nuts (6). Tighten all screws evenly.
NOTE: This adaptor is used to reduce the
InSinkErator #6, #7, or sink bowl openings
(12, 15, or 18) to a 3-1/2" diameter,
accommodating a standard sink flange.
13966-AN REV A
(1) Screw
(#1491)
(5) Lock Washer
(#11444)
(4) Mounting Flange
(#12903)
(6) Nut
(#3136)
(3) Flat Gasket
(#12680)
(2) Split Ring
(#14721)
Sink Bowl
Connection Lip
Sink