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Outdoors
Field−supplied
balancing
damper
(optional)
Place Pitot tube a
minimum of 18" from
blower or elbows.
Place Pitot tube a
minimum of 18" from
blower or elbows.
Pitot tube
Magnehelic
Gauge
High Pressure Side
Low Pressure Side
NOTE − Duct connections will vary, depending on model.
Figure 30. Placement of Pitot Tube in HRV/ERV System