Keith Specialty Store - Small Company - Great Service - reviews

800-705-8838 or 724-397-8838

There is a planned power outage on Friday 7/10/26 from 9:00am-2:00pm. Our store will be open regular hours from 7:30am-5:00pm. Our phones will not be working. 

Honeywell THM5421C 1008 IAQ interface module, now obsolete

Honeywell THM5421C 1008 Vision Pro IAQ total home comfort solution equipment interface module. Sorry, but this item is now OBSOLETE with no replacement.
SKU OBS-67-THJ

More Details

This is an official Honeywell replacement part