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Description
50+5 uF MFD 370/440 VAC Dual Run Start Round AC Capacitor - Fits Condenser, Heat Pump - Replaces 97F985097F9850 97F9970 50+5 uF MFD 370 or 440 VAC Dual Run Circular Start Capacitor Key Features Capacitance Rating: 50 + 5 Microfarad (uF MFD) Voltage Rating: Dual rated for 370 VAC or 440 VAC applications Capacitance Tolerance: 6% Shape: Round Circular Dimensions: 2. 36 inch (60 mm) diameter Terminals: Three terminals for Common, Compressor, and Fan Motor Construction: Aluminum case, oil filled design for heat dissipation Safety: UL 810 listed; contains no
97F9850 97F9970 50+5 uF/MFD 370 or 440 VAC Dual Run Circular Start Capacitor
Key Features
- Capacitance Rating: 50 + 5 Microfarad (uF/MFD)
- Voltage Rating: Dual rated for 370 VAC or 440 VAC applications
- Capacitance Tolerance: ±6%
- Shape: Round / Circular
- Dimensions: 2.36 inch (60 mm) diameter
- Terminals: Three terminals for Common, Compressor, and Fan Motor
- Construction: Aluminum case, oil-filled design for heat dissipation
- Safety: UL 810 listed; contains no PCBs
Replaces / Cross-Reference Part Numbers
- 97F9850
- 97F9970
- Also replaces other brand capacitors with matching 50/5 MFD and 370V or 440V specifications.
Compatibility & Fitment
- For use in a wide range of HVAC systems, central air conditioners, and heat pumps.
- Functions as a direct replacement for units from various manufacturers requiring a 50/5 uF dual run capacitor.
- Always verify the MFD and voltage ratings of your original capacitor before purchasing.
When to Replace
- Compressor or fan motor hums but fails to start.
- Component runs intermittently or not at all.
- The capacitor case is visibly swollen, bulging, or leaking oil.
- Capacitance tests outside the component's rated tolerance.
Installation Tips
- Disconnect all electrical power to the HVAC unit before servicing.
- Discharge the existing capacitor to avoid electrical shock.
- Note the wire placement on the old capacitor's "C", "HERM", and "FAN" terminals before disconnecting.
- A 440V rated capacitor can safely replace a 370V capacitor, but a 370V cannot replace a 440V.
- Ensure the 50 MFD and 5 MFD ratings match the original part precisely.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
Dog doesn't chase balls but does chase these!
Color: Regular Ball Multi-color, Size: Medium
This is a great product. My Aussie mix won't chase regular balls, but will chase these for long periods of time. Its the only way I can get him excercise right now. He holds them in his mouth constantly and has lost interest in his kong stuffed toys. This is my second time buying. The first time was great but the second batch had hardly any sqeak and not much air. Seller- please check your quality control! I have to go to another seller if these aren't consistent, because my dog needs the squeak in order to be interested.
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Reviewed in the United States on March 26, 2025
★★★★★ 5
Favorite toy
Color: Burger Shape Assorted Color, Size: Small
These have become my two Shih Tzu’s favorite toys. They love playing fetch with them. Very durable and well made. Will buy again once these wear out.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Dog's BFF
Color: Burger Shape Assorted Color, Size: Small
My 10lb pup LOVES these toys. This is the second set I've bought. First set lasted 5 years. The squeaker can be a little irritating after awhile. But that's what he loves. Great toy for my little guy!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Best Balls Ever!!!
Size: Medium
These are the best balls ever! We have 2 very active ball loving dogs and these bounce very well and they actually hold up with active play and chewing. They still look brand new after daily use for months!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Finally a ball my power chewers cannot destroy
Size: Medium
I have two dogs, an American Bully and an American Pit Bull Terrier, and both of them love to chew. Most balls last a very short time around here before they are shredded or missing big chunks. This one has actually held up. They chase it, tug on it and sit and chew on it, and it is still in one piece with no pieces breaking off.
One of my favorite things is being able to put food inside. I add some kibble or small snacks, and they will happily sit and work on it for a long time. It keeps them busy, gives them something safe to chew, and they get a little reward while they play. When they are done, I just rinse it out and it is ready to go again.
If you have strong jawed dogs that usually destroy toys, this ball is worth trying. Mine really enjoy it and I feel better knowing they finally have a ball that can keep up with them.
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Reviewed in the United States on November 22, 2025