White-Rodgers 1F83H-21NP Gray 4.5" sku-151552947 Thermostat

White-Rodgers 1F83H-21NP is a non-programmable digital thermostat listed as Gray, size 4.5", under Replacement Auto Parts, SKU sku-151552947 and UPC 786710551918. The source describes the thermostat as White. Its 4.5" backlit display supports a 2 heat / 1 cool configuration and a dual-fuel option. System settings are heat, off, cool and aux/emer; the fan switch has auto and on settings. It has keypad lockout and adjustable temperature limits. Designed for horizontal installation, it can be hardwired, battery powered or both. The temperature range is 45°F to 99°F. Terminals are R, C, W2, E, Y, O/B, G and L.