
Honeywell TH9421C1004 VisionPro IAQ Programmable Thermostat Installation Manual
Honeywell TH9421C1004 VisionPro IAQ Programmable Thermostat Installation Thermostat can be mounted on 2″ x 4″ J box or on drywall or plaster using included wall anchors (drill 3/16″ holes for drywall; 7/32″ holes for plaster). Connect 1, 2, 3 terminals on thermostat to 1, 2, 3 terminals on EIM or Zone Panel; see EIM or […]








