Master Flow
Manually Adjustable Humidistat for Power Vents


Heating, Venting & Cooling

Use the Master Flow Adjustable Humidistat with all Master Flow power vents. The humidistat helps reduce the likelihood of damaging moisture or heat from accumulating in your attic. Manually adjustable for varying climate conditions.

  • Humidity-activated humidistat can be adapted to accommodate all climate conditions
  • Designed for use with all Master Flow and LL Building Products power vents
  • For use with power ventilators rated not more than 7.5Amps
  • Constructed from galvanized steel for a durable design
  • Manually adjustable setting from Stop to 20% humidity
  • Pre-wired for simple installation
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