Nutone Broan S0521B000 CV350W Central Vacuum Relay Board Assembly

Nutone S0521B000 CV350 CV550 CV400 Central Vacuum Relay Control Board PCB

Nutone

NuTone 0521B-000 Central Vacuum Relay Repair Kit for 352, CV350, CV352, CV353, CV550, CV553, CV353W CV400 CV400C CV450W, CV-450W etc

SKU: 0521B000

$54.99

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This genuine Nutone Central vacuum relay fits the models: 352, CV350, CV352, CV353, CV550, CV553, CV353W CV400 CV400C CV450W, CV-450W. Part #0521B000, 0521B-000, S0521B000, 44277 Relay Board Assembly

KIT REPLACES:
TWIN RELAY ON CV400 & CV450
BLUE WIRE IS NOW WHITE
RED WIRE IS NOW YELLOW
IF 5 WIRE-CAP OFF EXTRA 2 WIRES WITH WIRE NUTS
BEFORE MAY 1997, SHOULD BE 5 WIRE

Customer Questions & Answers

Q: My nutone 353 W unit is running all the time , is the 521B relay repair kit fixing the problem ? - asked by Leon

Asked on 2020-05-02 18:22:54

No answers yet.

Q: My cv450w relays buzz - no motor noise at all.do I need to replace relays or is it a sign of motor problems?the motors do turn. Brushes? - asked by Terry Sabers

Asked on 2019-07-14 06:13:11

No answers yet.

Q: I have a NUTone central vac CV-450 (no W)...is this the right relay repair kit for my unit? - asked by BARBARA B BECKER

Asked on 2019-06-29 19:44:30

A: Yes
Support answered on 2019-07-01 07:34:44

Q: My wires are all disconnected. Does your relay kit come with a wiring diagram or can you supply one - asked by paul fusillo

Asked on 2019-05-24 02:34:55

A: It comes with the wire.
Support answered on 2019-05-25 00:24:50

NuTone 0521B-000 Central Vacuum Relay Repair Kit for 352, CV350, CV352, CV353, CV550, CV553, CV353W CV400 CV400C CV450W, CV-450W etc