MEGALOCK - Rossi’s Patented Regulator for Rectangular Dampers

No more wingnuts for rectangular dampers. Watch this new video that demonstrates all the reasons why the MEGALOCK is disrupting the RECTANGULAR damper industry and how it’s such an improvement over the old wingnut-style regulators.

Article content provided by Rossi HVAC Hardware.

Tony from Rossi has a new video where he shows you everything there is to know about the MEGALOCK - the patented positive locking regulator for RECTANGULAR dampers. Tony demonstrates why this locking damper handle has disrupted the industry and how it’s such an improvement over the old wingnut style regulators which rattle loose, throw off the air balance and waste energy.  

See how easy it is to ‘set it and forget it’, how it guarantees that your airflow stays balanced, how it indicates the true blade position inside your duct and other superior features of this one of a kind regulator. Get your free samples at and see how you can save money & energy by making the switch to Rossi damper hardware in your duct shop. 

Rossi has been innovating HVAC duct hardware for 30 years. Our mission today is to eliminate wingnut dampers and jiffy blades which rattle loose and throw off your air balance.

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Want more information? Contact a Rossi Hardware representative.