The Henry Group's Automatic Tray Proofer is equipped with push bar loading and unloading along with lightweight double hung proofer trays. Trays are constructed of aluminum cross tube supports with bolt on quick change stainless fingers with magnetic strips for non-slip grip on steel pans. The entire system is constructed of either stainless or hot dipped galvanized components assuring that all structural members are either stainless or plated. Exterior Cam-Lock enclosure panels have stainless interior and exterior finish for maintaining an energy efficient and sanitary environment. Air Waterwash System maintains proper control of heat and humidity for a constant proofing environment. A variable frequency controller provides adjustable proof times. Relative Humidity is regulated by digital controllers and electronic sensors with modutrol steam valves to assure accuracy.