OEM Precision Fit: Designed as a Trane replacement part

While it comes with a

these components are fabricated to withstand high thermal cycling without degrading or losing compressive strength

Precision Humidity Sensing: Measures total heat content

Drop-in Compatibility: Designed specifically for the FV-04VE1 ventilation fan for seamless physical and electrical integration

Aprilaire 56 Humidistat Controller Refrigerant OEM Precision Fit: Designed asThe 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