Thread Number: 91885
/ Tag: Vintage Dishwashers
"Phil's" (KA KDI-58) temperature problem |
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Post# 1164142 , Reply# 2   11/17/2022 at 20:45 (525 days old) by qsd-dan (West)   |   | |
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You need a minimum of 140F at the tap, no other choice but to compensate by turning up the water heater until that's accomplished. Models that came after this (19/59 for the portables) would preheat the water to 150F for the pre wash, main wash, and final rinse. I know some people here complain about the pre heating cycles but there's a very good reason for its implementation. I always recommend 150F at the tap for the 18/58 and older models, otherwise, get a newer model that preheats.
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Post# 1164147 , Reply# 4   11/17/2022 at 21:31 (525 days old) by combo52 (50 Year Repair Tech Beltsville,Md)   |   | |
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Hi Bruce, your idea about using a 4 gallon electric water heater under the sink or near the dishwasher is a good one set that water heater to 140 and you should get good results.
Given your house layout and design it’s not gonna be possible to get that hot water to the dishwasher, insulating the pipes is not a bad idea but it’s not gonna make that much difference. Doing this might even allow you to turn the water heater down in the house closer to 120 which is much safer and more economical anyway. The small water heater near the dishwasher might not have to be left on all the time if you don’t use the dishwasher A lot, just time how long it takes to completely heat the tank to 140 and turn it on 15 or 20 minutes before you start the dishwasher. John L |
Post# 1164149 , Reply# 6   11/17/2022 at 22:23 (525 days old) by appnut (TX)   |   | |
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Post# 1164183 , Reply# 7   11/18/2022 at 06:56 (524 days old) by ozzie908 (Lincoln UK)   |   | |
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Post# 1164185 , Reply# 8   11/18/2022 at 07:26 (524 days old) by steved (Guilderland, New York)   |   | |
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My dishwasher is 30 feet from the water heater and cleanability suffered until I installed this pump. Now I have hot water the minute I open the tap and my dishwasher always gets everything clean. CLICK HERE TO GO TO steved's LINK
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Post# 1164196 , Reply# 9   11/18/2022 at 08:44 (524 days old) by qsd-dan (West)   |   | |
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I've had my water heater cranked up to 162F for decades, never burned myself yet. This is an ideal temp for washing whites using oxy bleach in a top loader since the temp cools down to about 153F after the tub is full and the washer is agitating. I fail to understand how people burn themselves with the exception of neuropathy issues.
Recirculation pumps work but you're returning hot water to the cold water line which is overall an inefficient setup. You can set the pump to work about 15-20 minutes before using the dishwasher, then turn it off after it's finished washing. I have seen responses of a 20% increase in monthly electric/gas bills although I think that's for those not using a timer. As for a 4 gallon water heater under the sink, you'll have to experiment with that but I sort of doubt it will keep up with this dishwashers fast cycles. |
Post# 1164315 , Reply# 12   11/19/2022 at 15:02 (523 days old) by Labboy (SD, CA)   |   | |
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I have my KDS-21 in our garage as a second dishwasher for excess dishes from parties, cooking etc. We put in a small point-of-use water heater which works great.
Stiebel Eltron SHC 4 Mini-Tank... www.amazon.com/dp/B001OXX... Good luck! Bob |