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Customer Questions and Answers for Secondary Water Valve (Assembly) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18016401
Manufacturer Part Number: WP12544101

This secondary water valve assembly controls water flow to the appliance's secondary water circuit, restoring proper water delivery for dispensers or ice makers. Replacing a faulty valve helps stop leaks and restore reliable filling. What it does:

  • Opens and closes the secondary water path to allow water to the dispenser or ice maker
  • Stops water flow when the appliance signals shutoff, preventing overfilling
  • Commonly used when no water reaches the dispenser or ice maker
  • Can be replaced to resolve intermittent flow, continuous filling, or valve leaks
What's included: One secondary water valve assembly Install notes:
  • Disconnect power and shut off the water supply before beginning work
  • Turn off and relieve pressure in the water line, then disconnect supply and outlet fittings
  • Inspect and replace any damaged inlet hoses or seals; tighten fittings to manufacturer torque specs
  • After installation, restore water and power, check for leaks and verify proper operation

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Questions & Answers

For Whirlpool Secondary Water Valve (Assembly) (Part Number: OEM18016401)

Joe for Model Number Amana ARS2667AS

I have slow water running out of the water dispenser when activated. Very slow. Also seems the ice maker is not producing good ice cubes from the low water volume. I replaced both the primary water pump which when the hose is disconnected, pumps water and has a great flow. I tested that. I also replaced AP6005462 (WP12544001) secondary. Only the blue side seems to pump water when you disconnect the hoses and check it. Not both hoses. It's brand new. I also connected everything and did the front hose at the bottom of the freezer door check by disconnecting. Nothing came out there either. The filter was replaced and not used much as we didn't use the house a lot. I will be replacing that with a new one, but any ideas why the primary pump is doing well to pump but door is slow drip? Also is it normal for one side of the secondary pump to check with water flow and the other not when using door dispenser? I assume one side of the secondary goes to the ice maker and one to the door water dispenser? Both pumps bought from your site and brand new. The fact that I got some weak clear but weak ice cubes leads me to believe not enough water flow and not clogged lines. Not sure how to check all the lines.

1 Answer

Joe, the blue solenoid would be specific to the water dispenser while the brown one would only activate when the ice maker calls for water. As the blue solenoid passed water through properly at the valve itself, it is very likely that the water line in the door has frozen up along with the possibility of the ice maker line possibly having a partial clog at the fill tube exit (or air has not been fully evacuated from changing out the valves). A towel heated in a dryer can be used to warm up the tubing in the freezer door by placing the heated towel on the inner liner.

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1 Answer

Jared P, It is not recommended to change the manufacturer's design, having both valves makes it less likely to have a flood if one of the valves fail in the open position. It does however sound like a secondary valve failure if the lines are clear and not frozen...Check the valve for power during the fill cycle to confirm.

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1 Answer

Jim, Yes it will matter because one goes to the dispenser and the other will go to the icemaker. The tubing should be 2 different sizes and will only connect one way.

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1 Answer

Hello Dave. Yes, it sounds like the water valve will need to be replaced on the unit.

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1 Answer

Hello Chuck. The primary supplies water to the filter and the secondary to the dispenser and icemaker.

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1 Answer

Hello Orval. If the valve is new and the hose is clear, you will need to replace the icemaker on the unit.

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Jc for Model Number Aman ARS2364AB

I changed my water filter and afterwards the water dispenser stopped working. Ice maker works fine. I noticed that when I remove the water filter, there is somewhat a pressure build up. I tried testing without the water filter (by pressing the little button where the filter inserts) and pressing on the dispenser, the water does not come out continuously, it just squirts (where the filter should be) whenever I press on the dispenser. I was guessing it is the primary valve that's broken but when I called around they said there is a secondary valve. Now I don't know what to replace. Any help is appreciated. Thanks.

1 Answer

Jc, You will want to pull the kickplate off and disconnect the water line at the bottom of the freezer door. Push the dispenser and see if water comes out. If then the most likely cause of the failure is going to be in the secondary valve. The fact that the icemaker is operating fine would eliminate the primary valve as the water line comes into the unit through the primary valve, goes up to the filter assembly then back to the secondary valve. The valve will then send water to either the icemaker or through the water tank to the dispenser. You will also want to check to make sure that the water tank is not frozen. If frozen will cause the same issue. If not frozen then the valve would be the issue.

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Wallace for Model Number Kenmore PS2007679

I'm getting water to the icemaker in adequate amounts. Tines are rotating and expelling ice cubes fine as long as ice build-up on the tines doesn't prevent them from rotating down into the tray. The problem is there is constant ice build-up on the tines, and they constantly get caught. As soon as I break off the build-up, the tines rotate and expel cubes fine again. Ultimately, to get a full tub of ice, i have to break off the ice build-up off the tines all day long.

1 Answer

Hello Wallace. It sounds like the icemaker is bad and will need to be replaced in the unit.

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1 Answer

Steve, You will want to check to make sure that the fill cup of the icemaker is not clogged with ice causing the over flow issue. If the water is not stopping and continually coming through then you will need to replace the water valve. Also check to make sure that the icemaker is not continually cycling which would also cause this issue.

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1 Answer

Hello Lisa, While the primary valve WP12544001 normally fails before the secondary WP12544101, both have to open and close to allow water to come through. If water is getting through enough to make ice clumps, the manufacturer says both valves should be replaced since the water has to pass through both of them to get there. One valve was probably partially bad before the other failed.

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