Single Handle Kitchen Faucet

Michael Graves

Model#: 186-MCWF
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Finish: Matte Chrome
List Price (US $):


  • Exclusive pivoting aerator provides built-in functionality
  • Matching easy-to-grasp, side sprayer
  • Easy-to-grasp, single lever handle design comfortably fits hand
  • 14" high arc spout for added convenience

Special Features

  • With Side Sprayer
  • ADA Compliant

Installation Information

3-hole 6"-16" installation

  • Flow Rate: 2.20 gpm @ 60 psi, 8.3 L/min @ 414 kPa
  • Spout Height: 13-15/16"
  • Spout Length: 9-3/8"
  • Fittings Type: 3/8" O.D. inlets or WF = 1/2" IPS
  • Deck Thickness: 2.25"
  • Valve Type: Washerless ball valve
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The spout blew out under pressure. I replaced the two o rings and refitted the spout, but it still blows out of the housing under moderate pressure. Can you tell me what retains the spout in the housing and what I need to do to fix it.

Asked by: Bill Poster
Hi, Bill Poster! Thank you for your question. If the faucet,186-SSWF, spout does not stay on, we do recommend to replace the o-rings, RP37021, as well as the spout retainer clip, RP21961. If you should need more assistance with this issue, please contact our Delta Customer Service line at (800)345-3358. We are available Monday-Friday, 7am-7pm, CST and Saturday, 8am-5pm, CST. You may also email at Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-05-19

Thank you! I did what you described, but the it is still slow to shut off. I flushed the lines exactly as you described, I also replaced the seats and springs. It is still slow to shut off. Is it possible that RP37033 is dirty and needs flushing?

Asked by: Joe P
Hi, joefparker! Thank you for your question, and I am sorry to hear that you are experiencing low flow. You can definitely try to flush the spout hose. To flush, unclip the end of the hose from the spout assembly, and point this into a bucket. Turn the handle on from above the sink. This will flush the hose out. If you need more assistance with this, please contact our Delta Customer Service line at (800)345-3358. We are available Monday-Friday, 7am-7pm, CST and Saturday, 8am-5pm, CST. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-03-29

Good evening. I have the 186-MCWF and lately it has been slow to shut off; it takes 2-4 seconds to shut off while it used to shut off immediately. I have replaced the black o-rings and springs within the single lever, but that didn't help. Thank you.

Asked by: Joe P
Hi, joefparker! Thank you for your question. We do recommend to flush lines for any debris that could be causing the leak. You may need to flush out the valve body. To flush out the valve body, first turn off the water supply to the faucet. To do this:           1. First, shut off your water supplies to the faucet. Remove the handle. On the lever handle, you should find a small hex screw that can be loosened with a 1/8" Allen wrench. The handle will lift off when this screw is loose enough.           2. Once the handle has been removed, unscrew the dome-shaped cap. The domed shaped cap will unscrew counter-clockwise.            3. Once the cap has been removed, grasp the round metal stem (which is part of the ball assembly) to which the handle was attached and pull it out. The ball will come out, along with the cam and packing. You will need to reinstall these parts later, so be sure to note how they are positioned in the valve.          4. After these parts have been removed, the only parts left in the valve will be the seats and springs. You will see them at the bottom of the valve. Insert the point of a pencil into the rubber seat, tilt it slightly to catch the spring beneath the seat, and lift out the seat and the spring. Repeat this process for both the hot and cold sides of the valve.           5. Now, with the valve completely disassembled, place a bucket upside down over the top of the empty brass valve body. Turn the hot and cold water supplies back on and let the water run for about 10 to 15 seconds. The water will come directly up out of the valve and should mostly be deflected back into the sink by the bucket. You might have a little bit of water to clean up, though!           6. Shut off the water supplies. Make sure that the seats and springs do not have any debris stuck to them and reinstall them. Reinstall the ball assembly and the cam and packing. Screw the cap on again. Finally, reinstall the handle. At this point, you can test the faucet again. If this does not fix the issue, we recommend to change the seats and springs with Genuine Delta seats and springs kit, RP4993. Here is a link to this: Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-03-28

Stop the drip?

I honestly don't remember much about it, but I did stop the drip on my 186 model faucet not too long ago by replacing a washer on it (with a generic one, I believe). Maybe I didn't replace enough parts, but the washer is worn out again, so I should perhaps replace some more this time? What I see in your discontinued Parts Order list is RP37021 for a single washer of undetermined size RP3614 ostensibly for the sprayer But I can't access their "Save" or "View this Part" links before they redirect. If I could have the docs to these parts I could go from there, I believe. They would come in handy
Asked by: Chris
Hi Chris, Thank you for your question. If your model 186-SSWF faucet is dripping from the spout when the faucet is off you will want to order the RP3614 which is our single handle repair kit. If water is leaking from around the spout base when the faucet is on, the RP37021 o-rings should stop the leak. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2014-08-18
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