Rheem 43-17075-04 88/106 MFD Round Start Capacitor (330V)
A round start capacitor used in HVAC equipment to provide the extra electrical boost needed to start an air conditioner motor during startup.
Key Features:
- Start capacitor listed as 88/106 MFD and 330V
- Round start capacitor
- Rheem parts information describes start capacitors as storing energy and providing it to the A/C motor during start-up, increasing starting torque so the motor can cycle on/off rapidly
- Rheem parts information lists features including a phenolic case, AC start capacitor design, and a 15 ohm bleed resistor
Compatibility & Applications:
- Used in HVAC applications where a start capacitor with the specified 88/106 MFD and 330V rating is required
- Must only be used where the manufacturer specifies this exact part number: 43-17075-04
Installation & Operation Notes:
- Installation should be performed by a qualified HVAC technician.
- Rheem parts information warns that capacitors can be very dangerous and may still hold a lot of charge even after disconnected; follow proper safe-handling and discharge procedures per the equipment service instructions.
- Reference the specific unit's service/installation manual for correct wiring/connection points and the approved start components for that model.
Maintenance & Troubleshooting:
- Rheem parts information notes capacitors are among the more common parts replaced on residential air conditioning systems, and a system may use one or more capacitors .
- Review themes commonly associate replacement with resolving hard-start symptoms (such as a unit that struggles to start or intermittently fails to start) and with visible deterioration (for example, leaking from the capacitor).
- After replacement, reviewers commonly note checking the condition and tightness of push-on connectors during service; follow the unit's documentation for proper inspection and repair practices.
Certifications & Compliance:
- Rheem parts information includes a California Proposition 65 warning for certain capacitor categories; no additional certifications or listings are explicitly stated for this specific service part in the provided sources.
User Reviews & Q&A Summary:
- Reviews most often describe the capacitor as an exact replacement and a quick, straightforward swap that restored normal operation.
- Common "why I replaced it" themes include hard starting and wear over time, with some mentioning issues that improved after replacement.
- Q&A theme: SupplyHouse staff states the part they sell is new (not repurposed).