Master Flow® Replacement Humidistat‑ H1 Specs

      Master Flow® Replacement Humidistat‑ H1 Docs

      Master Flow® Replacement Humidistat‑ H1 Videos

      Fully Adjusted icon


      For all climate conditions
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      For all Master Flow® single-speed roof/gable power attic vents.  Optional add-on to existing thermostatically-controlled Master Flow® vents and works in conjunction with the PT6 Thermostat
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      Helps power ventilators reduce damaging attic heat and moisture in the attic

      FAQs for Master Flow® Power Vents


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