White-Rodgers 1F83H-21NP ThermostatWhite 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 99F, it protects comfort settings and system integrity. Designed for straightforward 2 wire installation and 2H 1C heat pump control, this thermostat is a

Mounting: Threaded

compliant venting and dependable performance across residential or light commercial applications

Energy-efficient performance and improved airflow control

UV self-check amplifier delivers reliable flame sensing

Supports ongoing furnace safety and reliable operation

and instruction for quick installation

The valve is normally closed (NC) and supports vertical mounting

low-maintenance operation: built for long-term performance with minimal servicing

MROSCS Leaf Class Name Gasket Kit

a 15-second pre-purge

Replacement use: Ideal replacement boiler UI control board for aging units

Connector & Cable: 3/8" threaded straight