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Old 04-06-2020, 05:54 AM   #1
dwdlt
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No Water at Kitchen Sink

Good morning All. I hope everybody is safe and COVID free. I made a rookie mistake this year and burnt up my water pump. I changed the pump (exact same brand, type, and model) and now I only get a trickle at the kitchen sink.

I get good water pressure everywhere else, and I'm pretty sure I have all the air out of the system. I unscrewed the filter screen from the faucet already, and it was pretty nasty. changed that out.

I'm thinking it is a check valve that is bad, but wanted to check and see if anybody has any ideas.

Trailer is a Keystone Laredo 314re. It's a 2016.

Thanks for any help or suggestions.
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Old 04-06-2020, 06:12 AM   #2
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How long did you let did you let the pump run? I'm guessing that the kitchen sink is at the end of the run. Filling the water heater and the lines can take a min. or two.
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Old 04-06-2020, 06:19 AM   #3
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There probably in no check valve in the water system. By "no water at the kitchen sink" I suppose you mean hot and cold sides ?? If so, and if there's no water flow with the aerator removed from the faucet, then I'd guess that you've got some "failed pump debris" that flowed through the lines and is "damming up the inlet connections" on the bottom of the faucet valves.

As Marshall indicated, it takes "a long time" for water to flow through the entire system, so make sure to "just let it run" for a couple of minutes before "tearing into things to clean the valve seats."
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Old 04-06-2020, 06:35 AM   #4
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Originally Posted by flybouy View Post
How long did you let did you let the pump run? I'm guessing that the kitchen sink is at the end of the run. Filling the water heater and the lines can take a min. or two.
I let it run for a quite a while, but never got much more than a drip.
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Old 04-06-2020, 06:37 AM   #5
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There probably in no check valve in the water system. By "no water at the kitchen sink" I suppose you mean hot and cold sides ?? If so, and if there's no water flow with the aerator removed from the faucet, then I'd guess that you've got some "failed pump debris" that flowed through the lines and is "damming up the inlet connections" on the bottom of the faucet valves.

As Marshall indicated, it takes "a long time" for water to flow through the entire system, so make sure to "just let it run" for a couple of minutes before "tearing into things to clean the valve seats."
Yes, both hot and cold. I did let it run for a bit, but not much more than a minute and a half. So, I'll go back out today and let it run for a few minutes or so.

Thanks to both of you for replying
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Old 04-06-2020, 06:41 AM   #6
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Maybe a sill question but you do have sufficient water in the tank and the batteries are charged? Pump is not in "winterizing" mode? My pump has a hose on the inlet side with a two way valve so that it will draw from a jug. If the valve isn't fully turned then the pump will suck air and not prime.
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Old 04-06-2020, 06:59 AM   #7
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Maybe a sill question but you do have sufficient water in the tank and the batteries are charged? Pump is not in "winterizing" mode? My pump has a hose on the inlet side with a two way valve so that it will draw from a jug. If the valve isn't fully turned then the pump will suck air and not prime.
Thanks for the reply. All that is good. tank is full of water, and the valve on the winterization kit is in the correct position. I have full water pressure in the bathroom sink, shower, and the toilet, but just nothing to the kitchen sink
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Old 04-06-2020, 07:00 AM   #8
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Is that sink in a slide out?
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Old 04-06-2020, 07:04 AM   #9
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Is that sink in a slide out?
No, it's in the center island. But, the trailer does have the super slides on both sides. Not sure if that makes any difference, but in case you are on to something, I wanted to mention it.
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Old 04-06-2020, 07:14 AM   #10
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If the sink is stationary then there shouldn't be any separate valves. The low point drains are closed or capped off?
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Old 04-06-2020, 07:20 AM   #11
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If the sink is stationary then there shouldn't be any separate valves. The low point drains are closed or capped off?
Gotcha. the low point drains are closed.
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Old 04-06-2020, 07:43 AM   #12
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Unscrew the lines under the sink and see if you get good flow there. You say the screen on the faucet was nasty. There might be something plugging up the faucet.
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Old 04-06-2020, 09:51 AM   #13
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This happened to me and drove me nuts. I loooked at eveything. DW removed the aereator, lo and behold the flow improved.

Try removing the aereator from the faucet. If it gets flow without the aereator, then clean or replace it.

Just another item to troubleshoot.
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Old 04-06-2020, 07:50 PM   #14
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How long have the temps in your neck of the woods been above freezing? Island kitchen plumbing can freeze up easily and be the last to thaw. Don't ask how I know
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Old 04-07-2020, 01:41 PM   #15
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Unscrew the lines under the sink and see if you get good flow there. You say the screen on the faucet was nasty. There might be something plugging up the faucet.
Well, you were on the right track for sure! I did just as you said, and I have plenty of pressure to the faucet itself...oh yea! I took the faucet out, and the main feed line is pluged up tight as a drum... All kinds of crud in it....

I'm ordering a new faucet now.
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Old 04-07-2020, 02:38 PM   #16
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Well, you were on the right track for sure! I did just as you said, and I have plenty of pressure to the faucet itself...oh yea! I took the faucet out, and the main feed line is pluged up tight as a drum... All kinds of crud in it....

I'm ordering a new faucet now.
You can remove the valve stems, clean them and the faucet "mixer channel" and reassemble. That'll give you a functional faucet until the new one comes in and you find time to install it.
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Old 04-08-2020, 09:27 AM   #17
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You can remove the valve stems, clean them and the faucet "mixer channel" and reassemble. That'll give you a functional faucet until the new one comes in and you find time to install it.
Sounds good. Thanks
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Old 04-08-2020, 12:36 PM   #18
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Well, you were on the right track for sure! I did just as you said, and I have plenty of pressure to the faucet itself...oh yea! I took the faucet out, and the main feed line is pluged up tight as a drum... All kinds of crud in it....

I'm ordering a new faucet now.
Feed line you mean the water line? Why change faucets if the water line is plugged... am I reading you wrong?
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Old 04-08-2020, 03:48 PM   #19
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Sink faucet no flow

We had the same issue, of course my first thought was like your, water pump bad - I had just filled the FW tank. Every other faucet worked fine, except the sink. Took the lines off the faucet, and flow through those was good. Aerator was plugged, cleaned it and have water now. Doesn't seem as good of pressure, so I need to investigate further, but definitely the sink faucet being plugged up.

Now I think I'll need to check all the other faucets and shower, because there was a lot of junk in the sink screen.
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Old 04-09-2020, 06:40 AM   #20
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Feed line you mean the water line? Why change faucets if the water line is plugged... am I reading you wrong?
This is the flexible line, with the weight on it, that goes to the faucet and provides water from the mixing channel of the faucet to the faucet head....And, I'm probably using all the wrong terminology!

I took the faucet apart and cleaned it as was suggested by another member, and it was full of crud, and what looks line plastic shavings.....

I guess I could reuse the faucet and just change the line, but I just chose to change it out and be safe with it.
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