Retrotec 7210 Dual Fan Blower Door System with two 7000 Series fans in a large frame
Retrotec 7210 system set up with fans open and carrying cases
Retrotec 7210 dual fan blower door setup

Retrotec 7210 Dual Fan Blower Door System

Retrotec 7210 Dual Fan Blower Door System: Double the 7000 Series Power for Large Buildings The 7210 pairs two of Retrotec's lightweight, high-power 7000 Series...
$ 16,400.00
$ 16,400.00
Power: AC Drive (Plug-In)

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Retrotec 7210 Dual Fan Blower Door System: Double the 7000 Series Power for Large Buildings

The 7210 pairs two of Retrotec's lightweight, high-power 7000 Series fans in a single doorway for large-scale airtightness testing. It ships with Retrotec's large 50" aluminum frame and extra crossbars to keep the setup secure at high test pressures, and two DM32X touchscreen gauges to run it all.

Why the 7000 Series Fan?

  • Remarkably light: 23 lb (10.4 kg), over 30% lighter than previous 33.5 lb fans
  • More flow: higher CFM @ 50 Pa than the Model 5000, and often more than the 6000
  • Auto-tip safety: built-in accelerometer shuts the fan off if tipping is detected
  • Electronic Speed Control with auto braking if the fan fails
  • Plug-in or battery: choose the AC drive or the portable DC battery drive (no site power needed)

What's Included

  • 2 x 7000 Series Fan Set (calibrated fan, High Power Drive or Battery, Range Ring A, B8 Plate, 8 x 4" blank plugs, fan covers, calibration report)
  • 2 x DM32X Gauge Package (gauge, USB-C cable, Cat5 cable, case, magnetic clip, ISO 17025 calibration and report)
  • Large Frame Package: 50" aluminum frame, Large #5 crossbar, 2 x Large #6 crossbars, 3 x fan crossbar straps, roll-up cloth case
  • Large Double Fan SmartCloth™
  • Speed control cable
  • 2 x system accessory case, 2 x fan case
  • 2 x blower door tubing kit, 2 x 7 ft (2 m) umbilical

7000 Series Fan Specifications (per fan)

  • Max flow @ 50 Pa: 7,358 CFM (120V); 8,413 CFM (battery)
  • Max flow, free air: 7,850 CFM (120V); 8,900 CFM (battery)
  • Min flow: down to 8 CFM with optional Range 29
  • Size: 22" inlet diameter x 9.75" long x 25" tall
  • Fan weight: 23 lb (10.43 kg); power supply 13.4 lb; battery pack 15.6 lb
  • Battery runtime: 24 min at 100%, 88 min at 50%; 4.5 hr full charge
  • Flow accuracy: ±5%

Ideal For: energy auditors, HVAC contractors, building contractors and remodelers, and commercial or multifamily testing firms.