MAXRUN 40+5 MFD uf 370 or 440 Volt VAC Round Dual Run Capacitor for Air Conditioner or Heat Pump Condenser - Runs AC Motor and Fan – 5 Year Warranty: Industrial & Scientific
MAXRUN 40+5 MFD uf 370 or 440 Volt VAC Round Dual Run Capacitor for Air Conditioner or Heat Pump Condenser - Runs AC Motor and Fan – 5 Year Warranty: Industrial & Scientific
My AC went out the week of July 4th. We had no AC for 3 days in 94 degree weather. HVAC companies were booked up until after the holiday, but I booked 2 appointments anyway in case they had a cancellation. Being a woman, I didn't want to get ripped off, so I started researching why my unit might not be cooling, and watched many YouTube videos and learned that it was probably the capacitor. I figured it was worth a try, I was getting desperate. It was dark outside when I got home from work and noticed that my package arrived. It was so hot in the house that I thought I was going to pass out. So I installed the capacitor in the dark with a flashlight, following all the steps for safety by cutting the power both inside and outside the house, and discharging the old and new capacitors with a insulated screwdriver. The best part is that it fixed my problem in 10 minutes. And I happily canceled the 2 HVAC appointments, saving myself a minimum $89 service call.
Before the new part arrived, I took some time to clean my ac unit, just as a HVAC tech would. I diluted Dawn dish soap with water, 1 part Dawn, 10 parts water to spray the outside of unit, let sit for 7 minutes and rinse thoroughly with a regular water for 10 minutes. Don't forget to clean any leaves or grass from around the unit. Inside the house, I vacuumed the return air vent and change the air filter. Once I switched out the old capacitor, I noticed that my AC is blowing colder air than before!!
This capacitor is 370 VAC or 440 volt so it can handle fluctuations in the electricity, unlike my old one which was only 370 VAC.
I liked how the markings on my old capacitor were the same as this product. That made the installation fool proof. I simply pulled the wires off the old one and installed it on the new one wire at a time. This product saved me at least a $150 by making it easy to do it yourself.
Remember to shut off all power to the AC unit before opening the panel to access the capacitor. I also used a screwdriver to short out the tabs on the old capacitor as the first step. Capacitors can hold a charge for a very long time. It's always best to be safe than sorry. Remove the one screw/bolt holding the old capacitor in and gently pull it out to see the markings on the old capacitor. Then swap the wires to the new one by pulling on the top of the clip/tab with some pliers. Don't pull on the wire itself, or you may break the wire from the clip over the tab. Mount the new one by reversing what you did removing the old one. Easy!
BTW, my AC unit symptom was the fan not always starting up and being slow to start up when it did start.
I had a technician to my house and look at our upstairs AC unit. He did not test the Capacitor and just threw a super booster on it. Well it worked for about a month or so then caught on fire. Burnt the top almost completely off. So I went out and shut off the power to the unit, discharged the old capacitor and removed the charred super booster. Then I checked the OHMS on the herm to ground and it was OL, checked the fan to ground and had 7 or 8. So I knew it was a bad capacitor. I came in the house and ordered this one and it was delivered the next afternoon. Put it in and the compressor turned right on. The guy was telling me I had a bad compressor but his super booster would give me a few more months. Her then was telling me he could get a good deal on a new unit and replace it for me. I was wondering why it would go bad in less than 6 years and was not thinking he was on the up and up. Good thing I tested and bought one, I could have fallen for his lying scam!
I Only needed the 40mfd side but the size price ect was wat I was looking for.
Used for my AC compressor.
If any of you are having problems with compressor not running/locked up and replacing the capacitor dose not fix it or you just want to improve the life of a good unit I recommend installing a hard start capacitor.
My unit locked up and voltage and cap were good and AC tech said I would need to replace with 410A unit. So installed a hard start cap and now it’s 2 years later and still running good.
Of corse I replaced this cap 2 years later but I’m keep my R22 unit running 2 plus years and will install my hard start on my new unit when I do replace.
HIGHLY RECOMMEND❗ THIS WAS SOOOO EASY TO INSTALL❗MY HEAT PUMP STOP DEFROSTING WITH ICE HANGING OFF OF IT & THE FAN STOPPED DEAD. THE GUY JUST PUT A NEW CAPACITOR IN A YEAR AGO THIS TIME HE SAID I'M NOT DOING IT AGAIN BYE- I'M A GIRL & NO MONEY❗I CRIED❗ I HAVE A WARRANTY FOR PARTS BUT COULDN'T ORDER WITHOUT A LICENSE❗WHEN I SAW $10.00 CAPACITOR ON AMAZON I BOUGHT IT IMMEDIATELY❗TOOK ME 25 MINUTES & BOOM IT WORKED ❗SOOO HAPPY❗THAN YOU GUYS FOR THE PART AND THANK YOU JESUS FOR THE HELP❗💗✝
Price: US $10.45
Rating: 4.7 / 5.0 from 724 Reviews
Specification
Capacitor is 2" in Diameter by 4 3/8" in Height - Please check all specifications carefully
Designed to Last 60,000 Hours - Built to EIA-456-A and IEC 60252 Standards
Safety Engineered - 10,000 AFC Anti-Explosion Pressure Switch and No PBA's Used
Dual Run Capacitor - Runs a Compressor and Fan motor for 370 or 440 Volt applications
5 Year Warranty - Backed by a 5 Year 100% Guarantee
Description
SPECIFICATIONS FOR THE MAXRUN 40/5 MFD 370/440 VOLT CAPACITOR
This Capacitor is rated for 440 Volts which means it will work at 370 or 440 VAC. A dual run capacitor, such as this 40/5, combines two capacitors into one unit. It will power a compressor motor and a fan motor, and has three terminals on the top. They are labeled "Herm" for the compressor motor, "Fan" for the fan, and "C" for the common line.
The capacitor is 2" in diameter by 4.375" in height and will run from -40 C. to +70 C. It is safety rated at 10,000 AFC.
Run Capacitors work hand in hand with Electric Motors that power the compressors and condensers that make air conditioning work. For this purpose, the Capacitor works the same way as a battery. It stores and releases a large charge very quickly. This released charge gives the motor the spin it needs to start and run correctly.
As Air Conditioning Capacitors age, they lose their ability to hold a charge and get weaker.
As the capacitor gets older, the motor may get louder and seem to run slower. If replaced before they get weaker, its possible to lengthen the life of the motor. Eventually, the capacitor will get too weak to start the motor and if the motor can't start, it can short out. Timely replacement of the capacitor is essential to Air Conditioning Maintenance.
SAFETY TIPS FOR REPLACEMENT
When replacing a capacitor always be sure to turn off the power to the air conditioning unit and place a screw driver between the terminals of the capacitor to release any stored charge. MaxRun Capacitors are designed to be the correct fit, but it's best to measure the height and width of the capacitor to double check that the replacement unit matches the original. We also recommend keeping a spare so you have one handy when it's needed.
After running a few tests, it looked like I needed to replace my capacitor on my AC. This arrived on time at a good price. The AC returned to normal after installation.So, no complaints at this point. The only questions is, will it last for several years. Will try to remember to come back in a year with an update. (Hopefully will not need to update it sooner.)
Always remember to electrically isolate your system and ground out your capacitor before replacing it. Stay safe.
My heat pump suddenly stopped working last week. The service company I use came out and told me it was the capacitor and it would be $250.00 to fix it. I told them I'd get back to them. I searched the internet for capacitors for my model.. I found the right one on Amazon. The instructons for installing it were very clear and I was able to fix the problem myself for under $25.00.
Lost our AC in 96 degree weather in Atlanta. I initially thought I was going to need to replace our entire unit, but thanks to my sons input, he told me to first check for a bad capacitor. After opening the unit and matching the type needed, I ordered this one. Once it arrived, I was able to install it in five minutes and it works perfectly. We now have a fully functioning AC system once again at a fraction of the cost a technician would have charged for replacing the same part.
- Product Dimensions:4.49 x 2.72 x 1.89 inches; 6 Ounces
- Item model number:40+5 MFD 370 or 440
- Date First Available:August 25, 2017
- Manufacturer:MaxRun Capacitors
- ASIN:B0753XVMWC
- Best Sellers Rank:#5,190 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #9 in Industrial Electrical Capacitors
- Customer Reviews:4.7 out of 5 stars724 ratings
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