Field Controls 46220901 Control 319852-301 System Efficiency: Restores peak performance

System Efficiency: Restores peak performance of variable-speed fan coils and complex HVAC cycles

The kit typically includes the trap body

making it suitable for 120V to 277V A

Built with a nylon-armored capillary for physical protection

Key Benefits Includes a factory-installed #50 orifice for calibrated propane (LP) gas delivery

Field Controls 46220901 Control 319852-301 System Efficiency: Restores peak performanceAs a seasoned tech, you know that consistent performance in oil and coal fired systems depends on precise draft management. The Field Controls 46220901, also known as the Model 4" RC, is the industry standard for maintaining a stable barometric draft in residential and light commercial 4 inch flue applications. This single acting barometric draft control is calibrated to counteract the negative effects of varying stack temperatures, wind fluctuations,