• Mark II 25 Watt Wort Pump
  • This shows the head mounted at a different angle
  • This shows it apart with the optional stainless head at right

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Item #: Q85
Our Price: $69.99
Discounted Stainless Pump Head
In Stock, Will Ship On 07/07/2020.


 The MKII Pump from Keg Land is a magnetic drive high temperature pump capable of pumping  hot wort at temperatures of up to 248° F.  It can pump up to 5 gallons per minute, making it perfect for 5 to 20 gallon systems.  The maximum height it can pump is 11’ although gallons per minute will be reduced at higher pumping elevations.

  The pump head and impeller are constructed of food grade Xarec plastic (very similar to Polysulphone). The magnetic drive acts as a clutch allowing the user to put back pressure on the pump to slow down flow.  Like all magnetic drive wort pumps, it is not self priming - you must flood the pump head before turning on the pump.  The pump has ½” BSP male fittings on the inlet and outlet, which are compatible with all our ½” female NPT fittings. The inlet is in the center. Besides Xarec plastic, other wetted interior materials are nitrile rubber and stainless steel.

 The magnetic drive ensures no lubricated bearings are in contact with the liquid at all, so you can be sure there is no chance of any contamination of the liquid being pumped. The pump features a 67” power cord, and a mounting plate for permanent mounting.  The pump is 7¾” in overall length, and 3¼” wide including the mounting plate. The polysulfone head can be mounted at any angle on the pump to fit your application (an optional stainless head, William’s item Q80, is also available).   Shop around and compare, we think this is the best value currently available in a high temperature wort transfer pump.

 Important Safety Notice: This pump, like all 110 volt items that run in potentially wet areas, should be plugged into a GFI protected outlet for safety.


Average Rating:
(based on 51 reviews)

Showing 1 - 5 of 51 Reviews:

Review and Rate this Item
by jeff
on 1/21/2020
works OK but overrated, quiet
I bought this pump to replace a Teel magnetic drive pump on my RIMS system that has been in service for almost 22 years.  The best it could do on my system was 2.4 gpm, almost a gallon a minute less then the Teel pump.  I returned the pump to Williams and did receive a prompt refund.  I require the pump to reach over 3 gpm to perform properly on my system.  I did notice it was very quiet. 
by Dave Seamonds
on 7/31/2019
from Brookline, NH
A tiny, quiet workhorse
This little pump works well for my needs and is ultra quiet. Purchased the stainless steel head option and couldn’t be happier. If you’re brewing more than 5-10 gallon batches, I suggest buying something with a higher flow rate. 
by Roger
on 7/16/2019
from Harrisonburg, VA
Ultra quiet and easy to plumb
I couldn't tell if this pump was actually running the first time I tested it. It was so quiet that the water filling the pot was the telltale sign that it was actually working. Be careful not to forget that it is plugged in/turned on and accidentally run this dry. Using a center inlet is way easier to prime so you have several options for mounting orientation. I have brewed with this 3 times and have had no issues with the volume of wort transferred or recirculated (5-gallon batches). I am using this with the stainless head, so I cannot vouch for performance out of the box. 
by mark howe
on 3/3/2019
from iowa
On my Second PUMP
I am still using my first pump, but I just added a second pump to my system.  I strongly recommend that you upgrade to the SS head.  I have been using one of these pumps for 50 brew days over the last 3 years or so.  My last order was missing a gasket (or I just lost it...I couldn't find it in the wrapping)  Williams brewing sent me one out immediately.  This is great service!!!
It is possible that the new pumps are quieter...I can hardly tell if my pump is running.
by Justin
on 2/6/2019
from Kansas city
High quality and quiet
I bought 2 of these pumps a few weeks ago and was impressed by the quality and quietness of the pumps. I upgraded to the stainless steel heads as several other reviews suggested. Looking forward to using these for many years to come.  This was a 
Review and Rate this Item
6/5/2020 5:42:03 PM
How is this different if at all than the standard Chugger pump, which I already have. Looking for something I can leave ON to recirculate my mash.
This, like the Chugger, you can leave on to recirculate the mash. This pump is rated to work at up to 212 F., so it should work fine for this application.
4/10/2020 8:05:31 AM
Hello I am actually looking for a pump for vinegar. Do you know whether this would work for more acidic liquids?
It should work fine, fluid contact parts are polysulphone type plastic, silicone, and stainless steel.
3/28/2019 9:46:08 PM
Do you have a recommended cleaning procedure for this pump? I.e. do you run a cleaner through and then a sanitizer? Do you recommend a specific cleaner or sanitizer?
Always rinse out your pump so soon as you are done running wort through it so the wort won't have time to dry inside making cleaning more difficult. Follow that with cleanser, clear water then sanitize. As far as cleansers go the best way to clean the pump is with TM Desanamax (A36) as this cleanser will tell you when your pump is clean inside. When you mix it with clean water it turns purple. Then green or yellow if it detects any organic matter. When it runs purple again, your pump is clean. Flush the pump with clean water until it runs clear then sanitize with Star San HB (A43 or A44) or Saniclean (A48) and allow it to dry.
11/1/2018 10:31:58 AM
Can you add a product thumbnail of the specification sticker similar to the 6W pump variant?
Good idea, we have just posted this picture.
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