Regulators

MegalockTM

Positive-Locking Damper Handle for Rectangular dampers (and oversized round dampers). The Megalock regulator drives a 1/2″ or 3/8” square bar OR a 1/2” ROUND SHAFT for rectangular blades and larger round applications (18″ diameter and larger). Great for opposing blade dampers, multi blade rectangular dampers, oversized dampers.

Megalock HVAC Damper Handle by Rossi Hardware

The original positive-locking regulator

Guarantees air flow stays balanced

Handle indicates true blade position

Single hand operation

Exerts no force on duct system

Megalock
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