WR1HDEZ-1521, White-Rodgers,

Emerson Inspire Universal 4-Wire Thermostat System (4H/2C) Controls Single Stage, Multi-Stage, Heat-Pump And Heat Pump With Dual Fuel Plus Humidification /Dehumidification, 7-Day, 5-2, Or Non-Programmable, Auto Changeover, Dual Fuel Requires Outdoor Sensor F145-1378, System Switch-Heat /Off /Cool /Emergency/Auto, Fan Switch-Auto/On, EMR, Profile-Horizontal, Range 45-99° F. Module Terminals: RC,RH,C,W/E,W2,Y,Y2,G,O/B,L,+,S,-,HM,HM2,DHM,DHM2,R,1,2,C Thermostat Terminals: 1,2,C,R