this shroud is specifically compatible with Reznor HRP and HRPB series unit heaters ranging from 125

Class FB indicates a higher level of insulation capable of withstanding significant heat

The MR212D-88 utilizes a dual-spring mechanism to manage high and low fire settings

minimizing pressure drop while maintaining a tight shut-off in critical flow paths

making it ideal for noise-sensitive indoor air handling environments

Johnson Controls D-3246-2 Damper Actuator 30067439-890 this shroud is specifically compatibleThe Johnson Controls D 3246 2 is a heavy duty pneumatic damper actuator engineered for precise control of large dampers in commercial HVAC systems. This swivel mounted piston style actuator features a 6 inch stroke and a 23. 4 square inch effective diaphragm area, delivering reliable linear motion within an 8 13 psi spring range. To ensure high accuracy positioning especially in high velocity airflow or high friction applications, this model includes