Hywell 62-9938R Serial I/O Module $954.11 https://www.ebay.com/itm/230913279180?hash=item35c38104cc:g:…
Honeywell 621-9940 Serial I/O Module Ver. 2.1 $968.86 Honeywell An item that has been used previously, fully operational an…
Honeywell Plc 621-9935 Interface Serial I/O Module $762.15 Honeywell https://www.ebay.com/itm/382813951831?hash=item59217d5757: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 621-9940 I/O Module $746.25 Honeywell https://www.ebay.com/itm/362368438163?hash=item545ed78f93:g:…