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Old Washing Machine Water Temp Question

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Everything in my laundry room is at least 20 years old or older. Boiler is going 55. In doing some

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Old 02-26-2013, 01:56 PM
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Default Old Washing Machine Water Temp Question
Model Number: LLR8223BW0   Brand: Whirlpool   Age: More than 10 years   

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Everything in my laundry room is at least 20 years old or older. Boiler is going 55. In doing some minor updates (new laundry sink, new hoses for washing machine, new vent for dryer, some new plumbing) I decided to test the water temperature of my washing machine. It has a 3 temp turn knob switch.
The choices are (wash/rinse)
Cold/Cold
Warm/Cold
Hot/Cold

When choosing cold the temperature (using a thermapen/accurate thermometer) it comes into the washing machine at tap water temperature of 45-48 degrees. The warm mixes about 50/50 and comes in around 85-88 degrees. The hot uses just hot water and since it is close to the boiler it comes in at 130-134 degrees.

Reading the manual it says hot should be 130 or above (that right on) , warm should be 90-110 (i'm a little on the low side) and cold should be 70-90 (i'm alot on the low side).
The next line also says in wash water temperatures colder than 70 degrees:
*detergents do not dissolve well
*soils are difficult to remove
*fabrics retain wrinkles and have increase pilling

This leads me to believe that the coldest this washing machine should go is 70 degrees yet its cold setting is at tap waters temperature

Does anyone know what is the issue? Is a part broken or is this maybe the way it is supposed to work.
I'm thinking on the cold/cold setting it should let mostly cold water in and a little hot water to get it up to 70. And at the warm it should let more hot than cold in to get it around 100, and finally at the hot it should just let hot water in (which it is doing correctly)

The only parts I can see that might affect this are
water inlet valve:
Whirlpool 285805 Water Inlet Valve - AppliancePartsPros.com

I looked at mine and it seems to be working well. I took it apart and clean it out. It looks like a solenoid that would either allow water in or stop it. It gets its signal from the temperature switch I believe

Whirlpool W10168256 Temperature Switch - AppliancePartsPros.com

This seems to be working well on mine as well. If i turn it to cold, cold water comes out, if i turn it to warm both cold and hot water come out, and if I turn it to hot than hot water comes out. Does this little switch have the ability to tell the cold setting to let mostly cold and some hot in, and for warm to let mostly hot with a little cold in? Could mine be broken . Tested it with a multimeter. When switch is at cold the wires to the cold inlet show 122 volts and the hot shows zero. Warm both show 122 volts. And when the switch is at hot- cold shows zero and hot shows 122.

Any advice would be appreciated. I've been washing darks in cold for year now at 45 degrees. Which from what i'm reading is pointless. Worst case senario I'll just move the switch back and forth from cold to hot to get the water temp I want but I'd like this to do it automatically if it could

thanks
Jay


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Last edited by jasesun23 : 02-26-2013 at 02:02 PM.
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  #2 (permalink)  
Old 02-26-2013, 02:38 PM
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Your washer does not have automatic temperature control. Many do, many don't. The ones that do have a temperature sensor inside the water valve assembly and an electronic control board to adjust the valves accordingly. About all you can do is switch it manually like you said or set it to warm and adjust the water valves at the wall spigot to your liking as you would at the sink faucet.

Eric
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Old 02-26-2013, 03:01 PM
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Thanks for the quick reply Eric. I though that might be what was happening however I was hoping it was a broken part.
Was thinking about closing the ball valves a little but it would only benefit me on the warm setting like you mentioned. And as far as the rinse temp I can't do anything about that. It just kind of annoys me that they would mention those temperatures in the book. For example don't go below 70 yet the cold setting on this machine is well below 70, kind of odd.
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