NEW - 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