Honeywell TH6100AF2004/U Th6100Af2004 T6 Pro Thermostat, 1H, Programmable, w/ Slab Sensor

Honeywell Hydronic Thermostat, T6 PRO Series, 20 to 30 V, 0.02 to 1 A, 50/60 Hz Frequency, Programmability: 5-1-1 days Programmable, 5-2 days Programmable, 7 days Programmable, Battery, Hardwired Power Source, Up to 1 Heat Hot Water and Steam Stages, Switch Position: Heat-Off (System), Relay Switch, Large, Soft Key Control with LED Backlight Display, +/-1 deg F Differential, 40 to 90 deg F Settings, 37 to 102 deg F, 5 to 90% Non-Condensing Humidity, 1 deg F Accuracy, UWP System Mounting, White, Dimensions: 4-1/16 in L x 4-1/16 in W x 1-3/32 in D