Copeland Comfort Control (White Rodgers) 1F78-144 Thermostat verify the furnace control board

verify the furnace control board is sending 120V to the ignitor during the startup sequence

Heavy-Duty Construction: Designed for high-amperage switching in demanding HVACR environments

The dual-port design facilitates reliable pilot flame rectification

This heavy-duty damper linkage is specifically engineered as a replacement valve and linkage parts kit for SmartX Actuator linear series spring return actuators

What tools are needed for the replacement

Copeland Comfort Control (White Rodgers) 1F78-144 Thermostat verify the furnace control boardThe White Rodgers 1F78 144 is a professional grade non programmable digital thermostat designed for single stage 1H 1C systems. Engineered for 24V AC and millivolt applications, this horizontal mount control serves as the direct replacement for legacy 1F30 913 and CD 130ME models. It features a high contrast LCD with a backlight for clear visibility in low light environments, making it a reliable choice for residential upgrades, light commercial use,