Johnson Controls LVR27A-600 Damper Crankarm High-limit safeties are typically normally

High-limit safeties are typically normally closed (L-rating) and should not be replaced with an F-rated fan switch

Common Questions What does the "R" in 632493R signify

it guarantees cross-reference compatibility with designated furnace control schemes and electric heat sequencers

Versatile Compatibility: Supports multiple valve strokes and operating spans (3

the probe can develop carbon buildup or oxidation

Johnson Controls LVR27A-600 Damper Crankarm High-limit safeties are typically normallyThe 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