Home / Control Panels / Accessories / Central Processing Units (CPU) / Simplex 742-346 Simplex 742-346 $1,244.59 NAC CPU Board for 4009A Availability: Estimated 6 - 8 Business Days Simplex 742-346 quantity Add to cart Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: Simplex FireAlarm.com Part #: 72571 Categories: Accessories, Central Processing Units (CPU), Control Panels, In Stock - PR, Option Cards Manufacturer Part #: 742-346 Specifications Information Weight 1.00 lbs Brand Simplex Condition New