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The SM115-4QAI is charged with mineral oil (160P)
5V signal conversion even in high-heat environments
it can be converted for Liquid Propane using the manufacturer-specified 393691 conversion kit
it offers a seamless drop-in solution for technicians servicing York
Designed for integration with UL555 and UL555S rated dampers
Carrier HD52AE157 Motor 322057-301 The SM115-4QAI is charged withThe Carrier HD52AE157 Motor is a high performance 1 HP blower motor designed for heavy duty HVAC applications. Operating at 120 240V and a nominal 1050 RPM, this motor provides the torque necessary for consistent airflow in large scale residential and commercial air handlers. As a genuine OEM replacement, the HD52AE157 is the direct engineering successor to the Carrier HD52AE121, ensuring a drop in fit without the need for mounting modifications or
