Burnham Boiler 8116325 Vent Damper R-410A Operating on 50Hz may cause

Operating on 50Hz may cause overheating or mechanical humming

High-Torque Reliability: Unique seat geometry reduces operating friction by 20-40% for easier manual operation

It functions as a critical safety limit

the NBR seals are rated for air and water

Enhanced Combustion Stability: Prevents hunting and flame-outs by ensuring steady gas flow through the bypass circuit

Burnham Boiler 8116325 Vent Damper R-410A Operating on 50Hz may causeThe Burnham Boiler 8116325 Vent Damper is a mission critical 8 inch automatic vent damper designed specifically for Burnham gas fired boilers. This GVD 8BN model functions as an electromechanical safety and efficiency device, preventing heated air from escaping through the flue when the burner is off. Built for high heat environments, the vent damper assembly ensures consistent HVAC efficiency by maintaining the thermal mass within the heat exchanger.