Like most sheet metal workers in his day, Vic Petrossian was just trying to provide for his family when he started Rossi HVAC Hardware 30 years ago. Then a duct hardware invention changed his life and ...
The EVERLOCK™ is a new self-locking damper handle. According to the company, until now, balancing technicians needed a tool to unlock a damper handle, adjust airflow, and to tighten the bolt again.
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