White-Rodgers 1F83H-21NP Thermostat

White-Rodgers 1F83H-21NP is the 80 Series Clear Choice 24V digital multistage heat pump thermostat designed for reliable, non-programmable operation. It features a bright 4.5-inch display for easy readability and quick adjustments. Equipped with keypad lockout and temperature limits from 45 to 99°F, it protects comfort settings and system integrity. Designed for straightforward 2-wire installation and 2H-1C heat pump control, this thermostat is a solid replacement for compatible systems. Ideal for retrofit projects and new installations alike, it simplifies setup while delivering dependable performance in seasonal climate control. Built for long-term reliability, it fits a wide range of HVAC setups, delivering stable, worry-free performance year after year.

• 24V digital thermostat compatible with most heat pump systems
• 4.5-inch high-contrast display for fast temperature checks
• Multistage heat pump control supports 2H-1C configurations
• Non-programmable design for simple, reliable operation
• Built-in keypad lockout to prevent unauthorized changes
• Temperature range 45–99°F ensures comfort in all seasons
• Easy 2-wire installation with minimal wiring and quick replacement