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Appendix A: Replacement Part
Item Qty. Part Number Description
17A 1 3937900 Wiring Harness Main, 115V, 2'
17B 1 3937901 Wiring Harness Main, 230V, 2'
17C 1 3938000 Wiring Harness Main, 3' and 4' 115V
17D 1 3938000 Wiring Harness Main, 3' and 4' 230V
18A 1 3811500 Guardian Airflow Monitor Printed Circuit Board
18B 2 1885405 Screw Mach #6-32 x .31 PH Phil. S.S.
19 1 3936700 Label, Front Set
20A 1 3910700 Airflow Switch
20B 2 1891808 Screw, Thread Cutting #6-32 x .50 PH
22A 1 1307000 Switch, Rocker (2 position) - Blower
22B 1 1306300 Switch, Rocker (3 position) – UV Light Only
23A 1 3904800 Front Panel, 2'
23B 1 3904801 Front Panel, 3'
23C 1 3904802 Front Panel, 4'
23D 1 4472400 Screw, Thread cut 10-24 x .50 Type F PH Phillips
24A 1 or 2 3934500 Impeller, Motorized 2' or 3' Enclosure, 115V
24B 1 or 2 3934501 Impeller, Motorized 2' or 3' Enclosure, 230V
24C 2 3934600 Impeller, Motorized 4', 115V
24D 2 3934601 Impeller, Motorized 4', 230V
25A 1 1306900 Capacitor, 2', 115V 10 MFD
25B 2 1306900 Capacitor, 3', 115V 10 MFD
25C 2 1306600 Capacitor, 4', 115V 15 MFD
25D 2 1306800 Capacitor, 2', 230V 4 MFD (effective 2MFD)
25E 4 1306800 Capacitor, 3', 230V 4 MFD (effective 2MFD)
25F 2 1306800 Capacitor, 4', 230V 4 MFD
26A 1 1235400 Ballast, Fluorescent 2', 115V
26B 1 1235500 Ballast, Fluorescent 2', 230V
26C 1 1294000 Ballast, Fluorescent 3' or 4', 115V or 230V
27A 1 1235400 Ballast, UV 2' or 3', 115V
27B 1 1235500 Ballast, UV 2' or 3', 230V
27C 1 1233400 Ballast, UV 4', 115V
27D 1 1233600 Ballast, UV 4', 230V
28A 1 3922100 Speed Control, 115V
28B 1 3922101 Speed Control, 230V
29A 1 3935500 Upper Diffuser Screen 2' (Internal)
29B 1 3935502 Upper Diffuser Screen 3' (Internal)
29C 1 3935504 Upper Diffuser Screen 4' (Internal)
29D 1 3935501 Upper Diffuser w/ Air cutout 2'
29E 1 3935503 Upper Diffuser w/ Air cutout 3'
29F 1 3935505 Upper Diffuser w/ Air cutout 4'