Aprilaire 56 Humidistat Controller 320788-704 Direct immersion design ensures maximum

Direct immersion design ensures maximum thermal transfer efficiency compared to external wrap-around heaters

moving the saturated nitrile paddle to its original position during a power loss to prevent overheating or system imbalance

check your existing assembly for the bale strap or terminal cover

Locking temperature adjustment prevents unauthorized tampering with the set point

Aprilaire 56 Humidistat Controller 320788-704 Direct immersion design ensures maximumThe Aprilaire 56 Humidistat Controller is a high precision automatic humidifier control designed to maintain optimal indoor humidity levels without the need for constant manual intervention. Utilizing AutoTrac technology, this 24V duct mount humidistat monitors outdoor temperatures via an included outdoor temperature sensor and automatically adjusts the indoor relative humidity (RH) to prevent window condensation while maximizing comfort. It is