frequent tripping is caused by restricted airflow

or internal valve set replacement to ensure a fresh mechanical seal

Rugged Construction: Built to withstand the harsh environment of commercial air handlers

Common Questions Will these work with standard T100 or T104 series timers

Designed for universal field replacement

Johnson Controls LVR27A-600 Damper Crankarm frequent tripping is caused byThe Johnson Controls LVR27A 600 Damper Crankarm is a heavy duty linkage component engineered for precise airflow regulation in commercial HVAC systems. Designed for field installers and facility technicians, this crankarm is compatible with 7 16 inch or 1 2 inch diameter damper shafts, providing a secure, non slip mechanical connection. It features an adjustable crank radius ranging from 3 4 inch to 4 1 2 inches, allowing for the fine tuning of stroke