Thread Number: 95281  /  Tag: Vintage Dishwashers
World's fastest dishwasher? Ultimate hot hurricane in a box!
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Post# 1199261   2/14/2024 at 11:46 by firedome (Binghamton NY & Lake Champlain VT)        

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The hospice where we volunteer just put in a new $250k kitchen. Besides a full complement of Traulsen commercial refrigeration (the best), it also has 2 of these amazing "Centerline by Hobart" undercounter dish machines. Why they put in 2 no idea as it's capable of 12 full load cycles an hour, a complete cycle takes less than 5 minutes, and we never have more than 10 patients to prepare meals for (my role) at a time. I've used it a number if times, everything is always perfectly clean and sanitized at 180* plus in a flash, it's amazing. I want one but at over $5k list (this is a scratch & dent sale) that's not gonna happen! But Hobart hasn't lost it's mojo that's for sure! Wish they still made affordable KAs!

www.webstaurantstore.com/...


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Post# 1199267 , Reply# 1   2/14/2024 at 13:24 by mickeyd (Hamburg NY)        

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Oh my God, what must go on inside that box. And in TWO MINUTES!! (according to the link). If only we could see it all, especially the innards.

Who wouldn't want one, but there goes the month's budget. Maybe John can get one from Hobart corporately for the museum in a sweet testing deal and share the glory.

But honestly, Roger, the irony is astonishing that you can pop out a load in two minutes in this brand new machine, while its sister machines take two hours. Ah, the topsy-turvy times in which we live!

Thanks for a really fun afternoon treat.


Post# 1199270 , Reply# 2   2/14/2024 at 14:54 by bajaespuma (Connecticut)        
They are indeed wonderful machines

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I've used these machines my entire career as a chef; we refer to them in the business as "undercounter machines" or "Bar machines". They're more about sanitizing than about deep cleaning. Some of them, like the one you posted are High-Temp machines, Low-Temp models are attached to a Clorox bottle or other liquid antimicrobial.

 

They're wonderful for quick cleanups after parties and large cooking jobs but they aren't going to do any "Bob Loads" or spend an hour and a half cleaning every yibble off your knives and forks. They usually have a passive strainer at the bottom of the tub which needs to be cleaned every so often. No detergent dispenser, no rinse aid dispenser (although some of the fancier ones can be connected to an Eco-Lab bottle). The best thing about these machines is how quick they are and anyone who has ever worked in a kitchen like me has to wonder why modern domestic dishwasher require sometimes up to two hours to complete a cycle.

 

The first one of these I ever worked with in the early Eighties was like a Hobart KitchenAid Superba with a Stainless Steel tub, same dimensions, same handle, no "adjustable racks", no silverware baskets, no buttons, no dispensers, no cycle indicators, just a lot of heat and clean kitchen wares in less than 5 minutes. The tub was also bigger than the one in the Web

restaurant ad and could accommodate the huge mixing bowls on 30 qt. mixers.


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Post# 1199278 , Reply# 3   2/14/2024 at 17:06 by kimball455 (Cape May, NJ)        

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Hello Everyone.

Quite familiar with this Hobart product. My neighbor had a Bed and Breakfast and had one of these. I often helped her out after breakfast. Got through the dishes etc. in less than half an hour for everything. Also, I occasionally helped out friends who had a restaurant with a commercial Hobart. That too did quick work on dishes. In both cases, the dishes had to be scraped and rinsed first.

Those dishes were HOT when they came out of the machine. It's a 180 F rinse.

Harry


Post# 1199362 , Reply# 4   2/15/2024 at 13:39 by stevet (West Melbourne, FL)        
Just had to chime in!

Regarding post 1199270
Those machines were Hobart's WM5 Series machine which they introduced right after the sale of KA to Whirlpool.
They were actually the tanks and doors used on the European Kitchenaid dishwashers.
Notice the un-punched out depressions for the detergent dispensers and rinse aid.

Where you see an overflow cap on the left side, was where a pressure switch was located as the water level control in the European domestic machines.

Initially, we used a float switch here but was discontinued because the stem on the switch would get fouled up and fail to operate properly. They then went right back to the overflow pipe.
And yes, it did the dishes really fast but was very dependent on having at least 140 degree incoming water if they had the WM5H with the booster.

The LX series which was solid state controlled enabled the machine to delay the rinse portion until the booster reached 180 degrees and then it progressed into the rinse. Solved many issues that way.



Post# 1199366 , Reply# 5   2/15/2024 at 14:16 by appnut (TX)        

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Ken, I remember seeing a University of Texas frat house kitchen had that style of dishwasher but with exterior being brushed chrome or SS

Post# 1199418 , Reply# 6   2/16/2024 at 06:46 by combo52 (50 Year Repair Tech Beltsville,Md)        
Superfast commercial dishwashers

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These are amazing machines, but theyíre not very suitable for home use weíve had customers in high-end homes install one of these even two of them and they just donít do a very good job because they require too much pre-rinsing special detergent, etc.

We just installed a commercial Hobart exactly like the one you pictured Ken in our cleanup room at the warehouse we installed two dishwashers the Hobart and a 70s whirlpool next to it we use these dishwashers to clean shelves and bins and things out of refrigerators etc. that are being refurbished.

The Hobart is a really fun machine for quick cleaning of things but we installed the whirlpool for things that are actually dirty that need a good scrubbing.

Iíll try to post some pictures.

Hi Roger, I sure hope Traulsen refrigerators are better than they used to be , we had a lot of customers that installed them in big fancy homes in the 80s and 90s and they had nothing but trouble with them and they had to be replaced at great expense and didnít convenience, I even had customers that put the Hobart commercial refrigerators and freezers in some kitchens, and those had a lot of trouble at home use amazingly the evaporator trays and things would rust out in them and they leak all over the place.

It seems commercial refrigeration is really well built if you want to slam the door 100 times a day but they seem to have all sorts of functional problems. I have people calling me every month asking me begging me to work on them because of the expensive keeping them working I donít really think itís a great solution unless youíre really physically hard on a product For most kitchens.

John L


Post# 1199677 , Reply# 7   2/19/2024 at 11:07 by combo52 (50 Year Repair Tech Beltsville,Md)        
Our new cleanup area at the warehouse

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We installed these two dishwashers as well as a large double sink with the divider, cut out for washing and cleaning appliance parts when doing restorations and repair work.

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Post# 1199719 , Reply# 8   2/19/2024 at 21:45 by Tomturbomatic (Beltsville, MD)        
Hobart 4.5 minute 24 inch wide UM-3P dishwashers

Here is the automatic cycle from the time the START button is pushed:
Timer energize, 30 seconds; fill 30 seconds; wash 120 seconds; drain 30 seconds; fill 30 seconds; rinse 30 seconds. At the conclusion of the rinse cycle, the machine will drain during the unloading and loading period. The sump capacity is 2 1/3 gallons. This spec sheet is dated 12-56.


Post# 1199725 , Reply# 9   2/19/2024 at 22:14 by chetlaham (United States)        

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All dishwashers should be like this, but with a longer cycle time to scrub dishes thoroughly. The inlet booster and direct 180*F feed is alone worth it.

Post# 1199726 , Reply# 10   2/19/2024 at 22:35 by chetlaham (United States)        
Service Manual

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If anyone is interested. These do seem to be getting more complex vs previous generations.


cdn2.webdamdb.com/md_a4aE6NOBgD1...



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