replacing the internal rubber diaphragm restores the precise linear stroke required for accurate damper positioning

Can I use a universal gasket material instead of the s1-067-77469-000

it is typically utilized in pneumatic instrument control applications where operating pressures are significantly lower to ensure long-term system stability

an oversized gas orifice

Most failure points on the ST9103A1051 series involve carbon tracking on the underside of the PCB or stuck mechanical relays due to high amperage draw from a failing blower motor

Burnham Boiler 8116325 Vent Damper Freon replacing the internal rubber diaphragmThe 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.