White-Rodgers 1F56N-444 Standard Mechanical Thermostats

Single stage universal (1h/1c, 1h, or 1c) horizontal set point thermostat. 24 volts, snap action contact, system switch-heat, off, cool, fan switch-auto, on, can be used on 3-wire zone valve and 750 mv applications. Includes heat only/cool only terminal wallplate, range 50-90°F. Terminals-RC,RH,W,Y,G,O,B,A (Mercury-free).

Mercury free snap-action contacts with dust cover Horizontal model Built in bimetal thermometer Same footprint since the introduction of the series saves time and aggravation, so wall marks are not a problem and no cover-up wallplate is necessary 24 volt, 750 mV and 3-wire zone options