Supports proper furnace draft induction and venting performance

easy-to-read screw terminals

Automates condenser flooding and hot gas bypass without the need for complex electrical head pressure controls or fan cycling switches

Can the pressure setting be adjusted while the system is under pressure

Engineered as a high-efficiency condenser fan motor replacement

Maxitrol 11A27 Vent Dampener 320734-701 Supports proper furnace draft inductionThe Maxitrol 11A27 Vent Dampener is a specialized vent limiting device engineered specifically for technical integration with the 325 5A and 325 5AL series individual appliance regulators. As an OEM spec component, this dampener is critical for indoor installations where mounting the regulator in an upright, horizontal position is mandatory to ensure the ball check remains unseated during normal operation. By utilizing the 11A27, contractors can meet