Field Controls 46487401 Vent Damper Freon Its unique 4-way flexing action

Its unique 4-way flexing action effectively absorbs shock

This specific arm assembly is engineered for the 25A Series

and EVRS valve ranges

preventing premature electrical failure in high-heat environments

Field Controls 46487401 Vent Damper Freon Its unique 4-way flexing actionThe Field Controls 46487401, also known as the GVD 9PL, is a 24Vac automatic vent damper designed to improve the thermal efficiency of atmospheric gas heating systems. This 9 inch unit is the professional grade direct replacement for Q35RL 1 models, ensuring seamless integration into existing boiler or furnace stacks. Engineered for stainless steel durability, the GVD 9PL gas vent damper operates by closing the flue pipe during the off cycle,