Honeywell 621-9938Rc Serial I/O Module Vr 3.2 620 Series $770.46 Honeywell Item may have some signs of cosmetic wear, but is fully …
Honeywell 621-9938RC Serial I/o Module $874.80 https://www.ebay.com/itm/315389850688?hash=item496eb33440:g:…
Honeywell 621-9940 Vr. 3.2 Serial I/O Module 6219940 $1,125.02 Honeywell An item that has been used previously, fully operational an…
Honeywell 621-9940 Vr 3.2 Serial I/o Module 6219940 $945.00 Used: An item that has been used previously. The item may h…
Honeywell 621-9938R Serial I/O Module $966.69 Honeywell An item that has been used previously, fully operational an…