Lot · Other Heating, Cooling & Air
Tjernlund Model PAI-1T Fresh Air In-Forcer Negative Pressure Quality Enhancer
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Fri · Jul 3, 2026
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Condition
New
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New
Used
Refurbished
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Unspecified
Ships from
ZIP 448**
midohiobakery
4,872 ratings · 99.80% positive
Description
From the sellerDamper closes during off cycles to prohibit cold air entry and warm air loss. Reduces cold air drafts through windows, doors, fireplaces caused by excessive negative pressure. Reduces negative pressure, a major cause of flue gas spillage and radon gas entry.
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