Versatile Application: Supports both mixing and diverting configurations when paired with the appropriate actuator

Is the B1755913HDF compatible with older B1755913H units

The unit features NEMA 3 weather protection when mounted vertically

Common Questions & Technical Support What valves are compatible with the EVO-28

whereas universal pans often cause air leakage and improper drainage

Carrier 33CSPREMLK01R Retrofit Kit 322838-754 Versatile Application: Supports both mixingThe Carrier 33CSPREMLK01R PremierLink Control Retrofit Kit is the verified 33CSPREMLK direct replacement designed for seamless integration into the Carrier Comfort Network (CCN). As a veteran grade HVAC retrofit controller, this kit enables advanced DDC (Direct Digital Control) capabilities for older rooftop units (RTU), split systems, and water source heat pumps (WSHP). It supports up to three stages of gas heating or a combination of mechanical and