White-Rodgers 1F56N-444 Standard Mechanical Thermostats;

Same size, function as older models with updated styling Enclosed Contacts for Increased Reliability and Accuracy Replaces Hundreds of White-Rodgers and Competitive Model Installed Over the Past 50 Years White 1-Year Warranty Heat-Cool Sub base, Heat-Only or Cool-Only Sub base Single Stage Heat Pump Mercury free universal mechanical thermostat, heat/cool, heat-only, or cool-only, 3-wire zone valve, millivolt, on-off sub base and limited range stop kit included. Vertical or horizontal available. - Manufacturer: White Rodgers - Country of Manufacture: United States - Manufacturer Part Number: 1F56N-444.