The Aprilaire Model 700 automatic Whole-house powered Duct Mounted Humidifier introduces the, new for 2011, Model 60 Digital Humidistat Controller which has a created-in blower activation relay. This newly developed model features a flow-thru fan driven technology making it possible for it be mounted in areas where space is compact. Gravity pulls water down by means of the Aprilaire Model 35 water panel while the air flow from your residence's ductwork can purely evaporate the water. The Aprilaire Model 700 automatic Whole-house driven Humidifier is truly automated when made use of with the Model 60 Digital Humidistat Controller, with constructed-in blower activation relay, and outdoor sensor. The Aprilaire Model 700 programmed Whole-house powered Duct Mounted Humidifier is outfitted with a created in fan so a bypass duct is unwarranted. This unit is outfitted with an evaporative capacity of 0.75 gallons for each hour that has a water flow with the use of rate of 6 GPH. This unit is effective at humidifying a tightly-made abode that measures about 4,200 square feet in size.