Verify the 120V input to the control module and check the diagnostic LED

provided the furnace itself is properly derated for high-altitude use

this professional-grade valve provides an adjustable temperature range of 70°F to 120°F

Optimized Airflow: The 34-degree pitch is specifically calibrated for Carrier replacement parts to maximize CFM output

When excessive heat is detected outside the combustion chamber—often caused by a cracked heat exchanger

ASCO 8210G3-24V Solenoid Valve 30067439-890 Verify the 120V input toThe ASCO 8210G3 24V is a high performance 2 way normally closed solenoid valve engineered for precision fluid control in industrial and commercial HVACR applications. Operating on a 24Vac coil, this pilot operated valve features a robust brass body and high quality NBR seals to ensure long term durability and leak free performance. With a 3 4" NPT connection and a high flow coefficient of 6. 5 Cv, it efficiently manages general service media including