Burnham Boiler 8116325 Vent Damper R-410A High-Torque Reliability: Unique seat geometry

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

Spring Return Fail-Safe: Mechanical spring ensures the valve returns to the normally closed position upon loss of 24V power

It functions as a critical safety limit

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

Common Questions & Technical Insights Can this relay be used for motor loads

Burnham Boiler 8116325 Vent Damper R-410A High-Torque Reliability: Unique seat geometryThe 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.