This unit is made to work with Ventamatic & Cool Attic roof and gable power attic ventilators. At this time the manufacturer has not tested this for use with crawl space ventilators.
Ventamatic Dual Temperature/Humidity Control - Adjustable Thermostat and Humidistat, Model# XXDUOSTAT

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- Mounts to attic rafter with wood screws
- Adjustable temperature from 60 - 120° F.
- Adjustable humidistat setting from 50 - 90%.
- Controls the operation of your power attic ventilator, running the fan only when needed
- Controls up to 3 units, not to exceed 10 amps
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