SKU: 54530453121
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F) printed on the window inserts
Built for the rigors of field installation
Spring Return Fail-Safe: Mechanical spring ensures the valve returns to the normally closed position upon loss of 24V power
Enhanced Combustion Stability: Prevents hunting and flame-outs by ensuring steady gas flow through the bypass circuit
Since this is a conventional 4-wire device
Burnham Boiler 8116325 Vent Damper R-410A F) printed on the windowThe 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.