Question about Goodman CKL49AR49 Air Conditioner

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I have CK49-18. I am looking for replacement double pole contactor for a do it yourselfer without a license.

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Go here to get that contactor... from what I can tell from your model number you need a 24v coil and a 30-40 amp rating on that contactor...


Posted on Aug 31, 2010


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1 Answer

Is this considered a single throw switch or a tripple throw switch and what's the difference

We cannot see the product you are asking about
Example single throw switch is household light switch ..., flip the switch either direction and load turns on-off.
Example double pole switch is 240 volt double breaker... flip the breaker and two wires turn on-off.
Example triple pole switch is any 3 phase contactor or 3 phase timer ... flip the switch and three wires turn on-off


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Contactor diagram ruud ac

The 030 model is a 2.5 ton system, so it is not going to utilize a very big contactor. If you're not that familiar with wiring, take a picture of the contactor, turn the power off to the outdoor AC, make notes on where all the wires are attatched & remove all the wires. (Note, you also need to turn off the indoor unit which supplies 24 volt control voltage to the outdoor other words, turn off you furnace power). Remove the contactor, take it to a local electrical supply house & they will match it. Replace it by reversing the above steps. If you are deadest on ordering online, look @ the white sticker on the side of the contactor in your AC for the ratings. Really the only thing you need to find is the VA rating. On a 2.5 ton system, it is probably only about a 20VA. Get a double pole contactor (brand doesn't matter), 24 volt coil, with the rating on the existing contactor (if you are not sure, a 30VA contactor will do) When it comes in, plug & play.

Dec 06, 2013 | Heating & Cooling

1 Answer

Warn winch 2006 Suzuki Eiger Winch will retract cable but will not extend cable

Use a test light at the contactor to see if the switch and wiring are good.If you see an input from the switch up to the contactor,make sure the connections are all clean on the control input terminals at the contactor.(The contactor is the device that changes the polarity of 12V to the winch to extend or retract-essentially a double throw double pole relay).

Oct 01, 2013 | Suzuki 2006 Eiger Automatic 400 4X4...

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Why is the main 24 volt coil contactor chattering? I replaced the 3-pole contactor and thermostat but problem not solved.

chech the voltage going to the contactor if it is less then 21 volts i would change the transformer. sometimes the contactor will chatter because it is not getting enough voltage.

Nov 23, 2011 | Lang Manufacturing LGM-ECCOAP 1 Deck...

1 Answer

Where can I get a double pole contactor for my goodman ckl60-1

I buy all of my contactors at

Match up the coil voltage 24v
The number of poles 2
The contactor this case it should beat least 40 amp.

You can find them buy searching the site for "definite purpose contactor"

They are very efficient and will ship quickly from the closest warehouse...I usually have my stuff UPS the next day.


Aug 25, 2011 | Goodman CLQ36AR49 Air Conditioner

2 Answers

Capacitors and contactors for Goodman air conditioner

I havent had luck in finding a part list for you but have you tried to look at the label on the motor(s) to find the capacitance? Or try on the existing capacitor? Dual caps are usually listed as 35/5uf or 35/5MFD on the actual part. There are only a few variances of contactors for residential systems normally 30-40va single pole single throw (spst) or 30-40va single pole double throw (spdt) singe throw contactors have four contacts for 220v and double throw contactors have two contacts for 220v and a constantly hot leg.

Oct 26, 2009 | Goodman Heating & Cooling

1 Answer

I need the part number for the contactor that feeds the compressor

Usually when you replace the contactor, you do it by the number of poles and the amp rating on the contactor and the coil voltage,
for instance most AC contactors are 2 pole, 25 to 50 amp and 24 volt coil.
If you look on the contactor you have it should have the amp rating on the side and coil voltage is usually there also and you can look at the contactor to see how many poles.

May 06, 2009 | Heating & Cooling

2 Answers

I need assistance with swapping out a contactor.

I don’t believe changing the contactor to a double pole contactor will solve this problem. It appears by your description that bugs are being attracted to the contact points on the contactor. Changing to a double pole contactor will not eliminate that problem but only provide another contact point for the bugs to be attracted to. The most effective solution would be to replace the current contactor with a sealed design where the contact points are totally enclosed. Enclosed contactors are completely enclosed protecting it from bugs and dirt. These type of contactors are available in the single pole design so no further wiring modifications are needed. You can consult a professional A/C service company like mine for more information and assistance.

Hope this helps. Let me know if there's anything I can do for you!

Sam, The Service Expert
Visit Sam's Blog


Apr 30, 2009 | Ruud Central System Air Conditioner

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