Retrotec Blower Door Fan US1312 (19401) Check Availability

Model 1000 series 3/4 HP  blower door fan for use in Retrotec Blower Door Systems. Includes Range A and B rings and Range Plate C8 with eight plugs. In single fan mode, measurement range is up to 6,300 cfm in free air and 5,600 cfm at 50 pascal test pressure. Minimum flow measurement is 5 cfm. Accuracy is  +/- 5%, and +/- 3% when using Retrotec software. User can increase measurement range using dual fans.

Also requires standard blower door frame or large blower door frame

Also requires DM32 Manometer