Manufacturer Name: Resideo Product Number: TH3210U2004 OEM Part Number: TH3210U2004 Product Description: 2Ht/1Cl Non-Prog Tstat,Backlit Weight:11.74lbs/5325.17g The Resideo TH3210U2004 is designed as a Non-Programmable Thermostat that features sophisticated control of several HVAC systems. This thermostat has a thermistor sensor that works perfectly in conventional systems, hea... https://www.partshnc.com/th3210u2004-resideo-2ht1cl-non-prog-tstatbacklit