This 24V actuator is commonly used in air handlers

the 49L90 is technically identical to the 49L9001

Standard Electrical Specs: Operates on 115V

and override outputs for testing purposes

using OEM HVAC replacement parts is recommended to maintain system efficiency

Carrier 48CH402274 Heat Exchanger 322057-301 This 24V actuator is commonlyThe 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