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EERE » BTO » Building America » Solution Center Home » Image Gallery » The hoses on this manometer are correctly connected with the red hose connected for the house with reference to outside and the green hose connected for the fan with reference to the house for a blower door test to show air leakage by pressure differences

The hoses on this manometer are correctly connected with the red hose connected for the house with reference to outside and the green hose connected for the fan with reference to the house for a blower door test to show air leakage by pressure differences