Emerson 4.5" Display Heat Pump Thermostat | 1F83H-21PR

Upgrade your heating system with the Emerson 4.5" Display Heat Pump Thermostat (Part Number: 1F83H-21PR). This thermostat supports a 2/1 Heat Pump system application and offers 7-day programmable choices. It features a backlit display, dual power options, and temperature limits ranging from 45-99º F. With a color of white and terminal designations for R, C, W2, E, Y, O/B, G, L, this thermostat is compatible with the L51-912 model, providing optimal control and efficiency.