This Alltemp 35-189H330 round start capacitor is a vital electrical component used in HVAC/R systems to provide the initial burst of power needed to start compressor and fan motors. It's typically purchased by HVAC technicians, electricians, and maintenance professionals who require a reliable replacement part to restore functionality to a malfunctioning unit.
Proper selection of a start capacitor is crucial; buyers must match the microfarad (mfd) range and voltage (VAC) precisely to the specifications of the motor it will operate. Using an incorrect capacitor can lead to motor damage or inefficient operation. This 189-227 mfd, 330VAC rating makes it suitable for specific motor requirements across a range of equipment.
Its application is broad within HVAC/R, including air conditioners, heat pumps, and refrigeration units where a powerful initial torque is required. When a motor hums but fails to start, this type of capacitor is often the first component checked, making it a common and essential service item.
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