Honeywell Thermostat, Programmable, 0.1 deg F Differential, Relay, Terminal Designations: R, W, Thermistor Sensor, 0 to 95% RH, Non-Condensing Humidity, Vertical Mount, White, 3.8 in H x 4.9 in W x 1 in D, Import
The TL8100 Hydronic Thermostat offers the energy savings of a programmable control for a wide variety of applications without a need to carry multiple thermostats for different applications. Controls 2-way and 3-way zone valves or circulator pumps.