124-149 uF MFD 220-250 VAC Round Start Capacitor - Fits AC Motor Run, Fan Start, Heat Pump
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CONFIRM THIS PART FITS
Enter appliance or equipment model number to verify compatibility with this part
Replaces Part Numbers
124-149 uf/MFD 220-250VAC Round Run Start Capacitor
Key Features
- Capacitance: 124-149 µF/MFD
- Voltage Rating: 220-250 VAC
- Frequency: 50/60 Hz
- Tolerance: +/- 20%
- Shape: Round
- Case Material: Phenolic Resin
- Dimensions: 3.37 in. Height x 1.81 in. Diameter
- Terminals: 4 quarter-inch male spade terminals
Replaces / Cross-Reference Part Numbers
Replaces any round start capacitor with a matching capacitance range (124-149 µF) and voltage rating (220-250 VAC). It is a universal replacement part compatible with various brands and models that meet these specifications.
Compatibility & Fitment
For use in single-phase AC motor starting circuits. Applications include:
- HVAC compressors and fan motors
- Air compressors
- Well pumps and pool pumps
- Refrigeration units
- Other electric motors requiring a starting torque boost
When to Replace
A failing capacitor can prevent a motor from starting correctly. Replace the capacitor if you notice:
- The motor hums but does not start or turn
- The motor starts slowly or with difficulty
- The circuit breaker trips upon motor startup
- Visible damage to the capacitor, such as bulging, cracking, or leaking oil
Installation Tips
- Disconnect all electrical power to the equipment before beginning service.
- Safely discharge the old capacitor by shorting its terminals with an insulated tool.
- Confirm the µF (MFD) and VAC ratings of the replacement part match the original specifications.
- Note the placement of wires on the old capacitor terminals before disconnecting.
- Ensure all wire connections are secure on the new capacitor.
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Perfect fit
Universal fit with any brands with the same ratings -
Premium quality
This product adopts a high-quality metalized polypropylene film that provides stable and durable performance -
Saving solution
Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble -
Simple installation
Because the capacitor is a relatively simple part, the installation just takes a few minutes and will save you at least a hundred bucks in labor
Compatible Models
Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering
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FAQs
Suggestions
Common Model Number Locations
Need help finding your model number? Select your appliance or lawn equipment below for location diagrams
- Above the refrigerant valves on the back of the air conditioner
- On the side of the unit near the run capacitor or electrical lines that go into your home
- On either side of the exterior
- On the back of the unit where the power cord is located
- In the cool air exhaust port
- To the left of the fan opening, on the weather barrier
- Below the control panel
- On either side of the exterior
- Behind the front grill on the frame
- On the door frame
- On the inside of the tub wall
- Behind the control panel
- On the door
- Inside the edge of the unit
- On the back exterior
- On the door
- On the side of hose storage
- Inside the edge of the unit
- On inside of the door
- On the door frame
- On the back exterior of the unit
- On the exterior side of the unit
- Behind the control panel
- On the inside of the door
- On the door frame
- On the exterior side of the unit
- At the top of the unit
- On the inside of the dryer door
- On the door frame
- Under the washer lid
- On either side of the exterior
- On the back exterior of the unit
- On the door frame
- On the exterior side of the unit
- On interior wall
- On the control panel
- On side of door
- On the right-hand side of the vent, under the control panel
- On the interior wall of the microwave (microwave model number only)
- On the door frame
- On the rear panel
- On the exterior back of the unit
- Inside the top part of the vent duct (in down-draft models)
- Underneath a burner
- Underneath a knob
- Underneath the cooktop (lift-up style)
- Bottom of cooktop
- On an exterior wall
- On an inside wall
- On the door frame
- On the right-hand side of the vent, under the control panel
- On the interior wall of the microwave (microwave model number only)
- On the door frame
- On the rear panel
- Behind the control panel
- Under the front surface unit
- On the door frame
- Interior side panel
- On the exterior of the unit
- On the inside of the lower storage compartment wall
- On top the hood
- Behind the filter
- Under the hood
- On the inside of the door
- On the exterior back of the unit
- Inside on the rear wall
- On the exterior side of the unit
- On door jamb
- On rear of frame
- Behind front panel
- On ceiling of refrigerator
- On interior wall
- On the inside of the door
- Behind crisper drawer
- Behind kickplate
- On ceiling of refrigerator
- On interior wall
- On door frame
- Behind crisper drawer
- Behind kickplate
- On ceiling of freezer
- On interior wall
- On the inside of the door
- Behind kickplate
- On the exterior side of the unit
- On inside of the door
- On the door frame
- On the back exterior of the unit
- On the front exterior of the unit
- On the control panel
- Inside the lid
- Under the lid on the frame
- On the exterior of the unit
- At the top of the unit
- On the inside of the dryer door
- On the door frame
- Under the washer lid
- On either side of the exterior
- On the top center of heater
- On the exterior of the unit
- On the starter housing
- On the side of the housing, behind the top handle
- On the side of the motor housing
- Near the rear grip
- On the top or sides of the engine housing
- On the gas tank
- On the recoil housing
- On the handle bars
- On top of the engine cover
- Near discharge chute, often behind chute flaps
- On rear of the deck, behind the engine
- Dash panel
- Back of mower/rear bumper
- Underside of the seat
- Lower side of hood, near engine
- Frame (beneath the seat, footrest)
- Mower deck
- Underside of the seat
- Frame beneath or near the seat
- Back of mower/rear bumper
- Lower left side between gas tank and mower deck
- Under the foot plate
- On the rear of the blower
- Inside of vacuum canister
- Side of the motor housing
- On the rear base of the vacuum
- On the bottom of the belly of the vacuum
- On the frame near the engine
- On the side of the auger housing
- On the lower rear of the snow blower between wheels
- On the side of the motor housing
- On the shaft
Select an appliance to see where its model number is located.
