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This is a listing of available parts for your Electrolux model PU3900 Central Vacuum Power Unit.
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Lamb Motor 140432 Beam 375C Central Vacuum Power Cord beam circuit board 100629
Lamb Motor 140432
List Price: $319.95
Direct Price: $251.64
Save $68.31!
Beam 120V Central Vacuum Power Cord
List Price: $24.95
Direct Price: $11.36
Save $13.59!
Beam Circuit Board #100629
List Price: $98.64
Direct Price: $84.95
Save $13.69!
Genuine Lamb 2 stage 120V large meta central vacuum motor. Previous part number was 122031. Will fit the following models:
Beam - 295, 395, and SC3900A
Electrolux - PU3900
Honeywell - 4B-H803
Available from Central Vacuum Direct.
Genuine Beam 120V molded central vacuum power cord. Will fit the following models:
Beam - 225A, 275A, 295, SC325A, SC375A, and SC3900A
Electrolux - PU3650 and PU3900
Eureka - CV1801, CV1804, CV1810 and CV1820
Frigidaire - PU325A
Available from Central Vacuum Direct.
Genuine Beam central vacuum printed circuit board (PCB) 100629. Will fit the following models:
Beam - 275A, 295, 395, SC375A, SC398, and SC3900A
Electrolux - PU3450, PU3600, PU3900, SC200E, and SC3700
Frigidaire - PU325A and SC325
Honeywell - 4B-H403, 4B-H603, 4B-H703, and 4B-H803
Powerstar - PS405, PS505, PS705, and PS805
Available from Central Vacuum Direct.
beam 110363 central vacuum filter beam top motor seal Motor Gasket 7.2" Foam Rubber
Beam 110363 Central Vacuum Filter
List Price: $79.95
Direct Price: $39.50
Save $40.45!
Beam Top Motor Thermal Seal
List Price: $10.89
Direct Price: $8.77
Save $2.12!
Motor Gasket 7.2" Foam Rubber
List Price: $15.99
Direct Price: $10.33
Save $5.66!

Genuine 14" blue Beam cleanstream filter for central vacuums. Recommended to be replaced every 5 years. Will fit the following models:
Beam - 297, 397, 2220, and 2240
Electrolux - PU3900
Honeywell - 4B-H902
Powerstar - PS805 and PS905
Available from Central Vacuum Direct.

Genuine Beam central vacuum thermal motor seal. Will fit the following models:
Beam - 167, 168, 189, 199, 725, 750, 775, 2089, 2100, 2725, 2775, SC325A, and SC375A
Ecopure - 401, 375, and 201
Electrolux - 3450A and 3900B
Available from Central Vacuum direct.
Genuine Beam 7.2" central vacuum motor gasket. Will fit the following models:
Beam - 298, 395, 875, 2250, 2875, SC398A and SC3900A
Electrolux - PU3900
Available from Central Vacuum Direct.
Curved Exhaust Elbow For Beam 8" Exhaust Extension for Beam 145330
Curved Exhaust Elbow For Beam
List Price: $9.95
Direct Price: $7.45
Save $2.50!
8" Exhaust Extension for Beam
List Price: $15.99
Direct Price: $13.95
Save $2.04!
Mounting Bracket Beam/Eureka
List Price: $12.95
Direct Price: $9.75
Save $3.20!
Genuine Beam curved exhaust elbow. Will fit the following models:
Beam - 395, SC325A, SC398A, SC3500C, and SC3900A
Ecopure - 401 and 375
Electrolux - PU3450A, PU3650B and PU3900B
Frigidaire - PU325A
Available from Central Vacuum Direct.
Genuine Beam 8" Metal exhaust extension for two motor units. Will fit the following Models:
Beam - 697, 2500, 2900, and SC3500
Ecopure - 401
Electrolux - PU3900
Available from Central Vacuum Direct.
Genuine Beam central vacuum wall mounting bracket. Will work for all Beam, Electrolux, and Honeywell power unit models. Available from Central Vacuum Direct.
Beam Damper kit with grommet and bumper 145506 Beam Large Motor Rubber Gasket
Beam Anti Vibration Kit 145506
List Price: $7.95
Direct Price: $5.45
Save $2.50!
Beam Large Rubber Motor Gasket 195002
List Price: $15.95
Direct Price: $12.95
Save $3.00!
Genuine Beam anti vibration upgrade kit for power units. Designed to be used with the mounting bracket to reduce the vibration of your central vacuum main unit. Will fit all Beam, Electrolux, Frigidaire, and Honeywell central vacuums. Available from Central Vacuum Direct. Genuine Beam motor gasket for large motor units. Will fit the following models:
Beam - 295, 395875, 2875, 2900, SC295, SC395, and SC3500
Electrolux - PU3900
Available from Central Vacuum Direct.