Lennox 79J87 Check Valve at Controls Central

The Lennox 79J87 check valve is a component used in HVAC systems manufactured by Lennox. It is a small, lightweight (0.66 lbs) valve made of aluminum that controls the direction of airflow within the system. The valve measures 5.5 Inches long, 4.6 Inches wide, and 1.05 Inches tall. It operates on a 24V power supply with a frequency of 50Hz. Check valves are essential for proper HVAC function by ensuring airflow travels in the correct direction. In Lennox HVAC equipment, the 79J87 check valve likely prevents unwanted backflow that could hinder system performance or damage components. By ensuring proper flow direction, the check valve contributes to efficient and reliable HVAC operation.