LIMITED QUANTITIES REMAINING
Factory replacement relay #0521B000 for the NuTone CV-350, CV-350C, CV-352, CV-353, CV-353C, CV-400, and CV-400C central vacuum systems.
Includes complete wiring diagram and instructions.
This Relay will only fit NuTone metal NuTone Vacuum Units not the VX Series vacuums.
**Please note: For models manufactured after May 1997 has 2 additional yellow wires provided for the manual switch. If your unit was manufactured before May of 1997 you will need to remove these extra wires as they will not be used.