The Peco Controls T8532-002 2H/2C 24V Prog Multifan is a versatile programmable thermostat that controls heating and cooling in HVAC systems. This device, which runs on a 24-volt power supply, allows users to program multiple fan settings to suit their comfort preferences and energy-saving schedules. https://www.partshnc.com/t8532-002-peco-controls-2h2c-24v-prog-multifan