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Professional Minneapolis Blower Door Model 3 fan system featuring speed controller, flow rings, and mount setup. Very good pre-owned condition with dependable operational performance. Please review all photos for complete details.
TEC Model 3 Blower Door Fan Unit: Ultra-rugged injection-molded housing with the integrated heavy-duty carrying handle, clear directional toggles, and front wire protection grille.
Bolted Flow Rings (A & B): Genuine factory restriction concentric rings pre-attached to handle low-volume airflow calibrations down to 300 CFM.
Original Fan Speed Controller Box: The classic black metal control unit featuring the red analog control dial, solid power pigtails, and the original \"Can\'t Reach Fifty Factors\" correction table printed clearly on the face.
Shows minor superficial surface scuffs and typical light workshop dust from field use,
Functional: The fan motor runs smooth, the impellers are structurally sound, and the variable controller accurately modulates flow from low to high thresholds. Power cords are pliable with no open wire splits, power cord end has been replaced.
