This Ventamatic Replacement Thermostat controls power attic ventilators to promote the equalization of temperatures inside and outside your attic. Temperature Range F 183, Accessory Type Ventilation accessory. Firestat safety feature shuts fan off at 183F Controls up to three units, not to exceed 10 amps.
15 amp automatic adjustable thermostat with Firestat. For the energy efficient control of roof or gable power attic ventilators. 15-Degree differential. Temperature range from 60 to 150 Degrees Fahrenheit.