Model UB1103 Parts List A = Standard Equipment 〇= Circuit Diagram Item# 001 002 003 003 004 005 006 007 008 009 010 011 012 013 014 015 016 019 020 021 022 023 024 024 025 026 027 027 027 028 029 A01 A01 A02 A02 E01 Part# Description 210044-4 681644-1 513901-8 BALL BEARING 608DDW INSULATION WASHER ARMATURE ASS'Y 115V INC. 1,2,4,5 FLAT WASHER 9 BALL BEARING 609DDW FAN HOUSING COMPLETE TAPPING SCREW 4X35 FLAT WASHER 8 FAN 110 FLAT WASHER 5 HEX.