Turning the screw clockwise will increase the branch pressure

Standard Electrical Specs: Operates on 115V

using OEM HVAC replacement parts is recommended to maintain system efficiency

If the actuator won't reach full stroke or you hear audible air bypass at the vent

Carrier 48CH402274 Heat Exchanger 322057-301 Turning the screw clockwise willThe Carrier 48CH402274 Heat Exchanger is an essential OEM replacement part engineered specifically for high efficiency Carrier rooftop units and commercial gas electric packaged systems. As a veteran technician knows, maintaining the integrity of the combustion cycle is paramount; this direct fit heat exchanger ensures maximum thermal transfer while preventing the mixing of flue gases with the supply airstream. Constructed from durable, corrosion