Our retail shop is currently open by appointment by calling or texting 419-577-6926. We do offer pick up and home delivery. Let us know your questions or custom orders 

Thorn Grinnell TFX Auto Call Fire Alarm MAIN PROCESSOR BOARD 940500 UPGRADED

horn~TFX~AutoCall~Grinnell~Simplex 

Fire Alarm System
Main Processor Board  
Model MP
Part Number  940500
 DC/DC   AC/AC
Side 1   125-065-755
Side 2   125-485-847​

With Upgrade
Board has a tag marking it as having
Version 10 Firmware




Related Items


Sign up today!