Aaon R78281 Inducer Assembly 322027-701 Is the D4S a standalone

Is the D4S a standalone detector

High Torque Performance: Robust 3/4 HP capacity designed for continuous operation in demanding shop or warehouse environments

What is the frame size of the HC35SL231

providing a compact and efficient solution for space-constrained panels

Aaon R78281 Inducer Assembly 322027-701 Is the D4S a standaloneThe AAON R78281 Inducer Assembly is a high performance OEM replacement part engineered for industrial grade HVAC units. Operating at 460V with a motor speed of 3000 RPM, this draft inducer blower is critical for maintaining the correct pressure and airflow required for safe combustion and efficient gas heating. As a direct AAON R78280 cross reference, the R78281 ensures a precise fit for legacy and modern rooftop units, preventing the common system