Resideo (Honeywell Home) TH4110U 2005 digital thermostat
$61.3061.30Resideo (Honeywell Home) TH4110U 2005 digital thermostat, 24V or millivolt single-stage heating and cooling applications, 5+2 day programmable, backlit display, Pro 4000; replaces TH4110B 1009, TH4110B 1017 and TH4110D 1007