the Nordyne 624695R is the official updated replacement for the original 624695 model

meaning it closes tightly when the compressor cycles off to maintain a pressure differential

This 19 Series model features a 1-inch Male NPT inlet and a 1-1/4 inch Female NPT outlet in an angle pattern configuration

Universal Compatibility: Specifically designed for the Barber Colman series

Field Controls 46266307 System 326070-701 the Nordyne 624695R is theThe 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