Field Controls 46266307 System 30067439-890 Designed for high-temperature resilience in

Designed for high-temperature resilience in the vicinity of unit heater burner boxes

While the switch can function in any orientation

Three-Speed Versatility: Multiple speed taps enable custom airflow balancing to meet specific ductwork requirements and system static pressure

maintaining structural integrity under demanding thermal cycles

Designed to withstand the thermal stress of sealed combustion chambers

Field Controls 46266307 System 30067439-890 Designed for high-temperature resilience inThe Field Controls 46266307 OVD 8 is a high performance automatic oil vent damper engineered to eliminate standby heat loss in large scale residential and light commercial oil fired systems. Designed for 8 inch flue pipes, this 24V power open power close damper is rated for appliances up to 450,000 BTU, making it a critical component for improving HVAC efficiency and reducing fuel consumption by preventing conditioned air from escaping up the chimney