Hoffman 76 Main Vacuum VentHoffman 76 is a durable main vacuum vent engineered for reliable air handling in industrial vacuum systems. The 3 4" x 1 2" Main Vacuum Vent (P N 401432) delivers steady airflow, quick installation, and long service life for demanding ductwork environments. This component integrates smoothly with standard ductwork and vacuum lines, supporting core functions like material conveyance and dust collection in industrial ventilation systems. Port size and

it integrates with Heil Quaker/ICP control schemes to maintain dependable safety interlock performance in demanding applications

Its robust design reduces downtime while delivering predictable open and close performance

Designed for reliability in hot water service

and a copper/silver shading coil for reliable actuation

and low wattage

and ICP gas furnaces

MERV 10 filtration for improved indoor air quality

the 92W51 fits standard mounting configurations and wiring setups

With a spring-return mechanism and 2-position operation

1/8" Threaded x 3" Pipe Nipple

Exposed pipe size: 5 inch

Inter Purge Times: 0