M150 Mechanical Heat/Cool Thermostat for Single-Stage Systems

Single Stage Universal (1H/1C, or 1H, or 1C) Horizontal Set Point Thermostat, 24 Volts, Snap Action Contact, System Switch-Heat, Off, Cool, Fan Switch-Auto, On, Profile-Horizontal, can be used on 3 wire zone valve and 750mV applications, Includes Heat/Coo l only Terminal Wallplate, Range 50-90° F, Terminals-RC,RH,W,Y,G,O,B,A. (MERCURY FREE)

Mechanical heat/cool thermostat for use on single stage heating, cooling and heat pump (without aux) systems Works with 3-wire zone valve and millivolt 750mV applications Easy to install and use Not compatible with multi-stage systems, heat pump with Aux and electric baseboard 120/240V Mercury-free thermostat Mechanical heat/cool thermostat Compatible with single-stage and heat pump no aux gas, oil, electric sytems