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Variable Speed Diaphragm Pump (0-3 GPM)
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When siphoning is impractical or too time consuming, the home winemaker needs a pump. We helped pioneer the use of diaphragm pumps as an economical, gentle method to move small volumes of wine.

This new take on an old favorite includes speed control. Now you can dial in the flow from 0 to 3 gallons per minute. Gentle, economical, flexible, and wow are all adjectives we would use to describe the performance.

When this pump was first introduced to us, we loved the idea, but had concerns that the speed control would compromise the longevity of the motor. We build much larger pumps (our ChunkyPumps for commercial wineries) and normally you need a $700 frequency drive to control motor speed. However, we kept in touch with the manufacturer and after three years in which he has not had any issues, and after our own testing, we are now sold that this pump performs as promised. The manufacturer offer a 1 year warranty.

A diaphragm pump works by moving wine through one pulsating diaphragm into the next. In this design, as opposed to a centrifugal pump which has a small head spinning at high speeds, the shear value is small meaning the wine is not as "beat up". A diaphragm pump is self-priming, meaning that it will "pump air" creating suction that will pull liquid out of your container and into the pump head. This makes the pump very easy to use for the home winemaker.

  • This pump comes with 1/2" barbed ports for easy connectivity. 
  • Comes with 6' tubing on both sides.
  • 110 Volts, 0.5 Amp, 60 Hz.

Includes a built-in pre filter to help prevent solid materials from entering the pump head and potentially damaging the diaphragms, which would prevent the pump from being able to move liquid. The clear plastic top of the pre filter unscrews for cleaning. Please note that some customers have had trouble unscrewing this cover to clean their filters. We suggest using a standard strap wrench if you are having difficulty with yours.


Item # H308
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 8LBS
Community Q&A

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Why did you choose this?
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Looking for a good pump for carboys and small barrels
Thomas H on May 22, 2018
Wine volume to big to rely
Alan T on May 18, 2018
Looking for a good pump for carboys and small barrels
Thomas H on May 22, 2018
looking for a gentle wine transfer pump
Normand R on May 18, 2018
Wine volume to big to rely
Alan T on May 18, 2018
Want to make racking a little faster process.
Dennis B on May 18, 2018
I trashed my old pump
Bradley C on May 17, 2018
I use this pump to rack my wine off various size barrels during aging. works well
Jeffrey W. B on May 17, 2018
I want a gentle pump for my wine. Also, this pump was recommended by another winemaker.
Vance H on Apr 21, 2018
Thought this would make kegging go faster and allow me to pump through filter without co2
Justin Maksim on Apr 20, 2018
least expensive choice that serves our need.
David G on Mar 31, 2018
self priming for high temp liquid
Eric A on Mar 31, 2018
JIM T on Mar 22, 2018
reliable, price, and I use two of them to pump 6 gal per hour.
steve b on Feb 16, 2018
I needed a transfer pump that did not introduce oxygen into my fermented beer
Michael Gordy on Jan 30, 2018
looking for a gentle wine transfer pump
Normand R on May 18, 2018
Want to make racking a little faster process.
Dennis B on May 18, 2018
It says in the product description that the pump can handle liquid temps up to 212F with silcone tubing, but the instruction manual says that liquid temps shouldn't exceed 130F. Can this pump handle temps up to 212 with proper hosing?
Bill Rittenour on Feb 16, 2018
BEST ANSWER: Yes, as long as you replace the tubing that comes with the pump with tubing that can handle over 212 degrees.

4.2 / 5.0
25 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
seems to work fine
Have used it once to rack 6 gallons of wine from a secondary fermenter into another one. The variable speed was really helpful in preventing the transfer of sludge from the bottom, allowing a more delicate control. Haven't used it yet to transfer from a primary fermenter where oak chips and lots of sludge might be a challenge. The best part is not having to lift about 50 pounds of liquid straight up onto a counter top.
May 12, 2018
1 month ago
An OK pump.
This little pump is useful for topping wine barrels or for transfers of small amounts of wine. The tubing included with the pump seems to be of non-standard size, and the speed control goes from zero to nearly full speed fairly quickly, so a light touch is needed on the speed control. Otherwise a good pump.
May 2, 2018
3 months ago
Used the pump several times now and gave it five stars because it's performing as advertised. A bit of food grade silicon grease on the filter threads helps. Be careful re-fitting the filter screen as it can be crimped. Does have to be anchored to a board, the hoses are stiff. Very handy.
February 23, 2018
4 months ago
Makes Shirt Work of Wine Transfers
I am very happy with this pump. It is easy to sanitize and clean, and it makes racking quick and simple. I’m not sure what I would do without it.
February 8, 2018
4 months ago
Pretty good
So far so good on the second pump delivered. First one was broken where the filter attaches to the pump. It runs great but feels fragile
February 4, 2018
4 months ago
Puts air into the lines
The pump itself works fine but because of the pre filter it will suck in air where it attaches to the housing thus putting air into the suction line. Not good for wine making
February 1, 2018
4 months ago
Handy pump.
Very manageable pump, perfect to transfer wine from one barrels to another.
January 30, 2018
4 months ago
The pump is very easy to operate. It makes transfer in minutes in a clean manner.
Easy to clean after pumping.
Great tool in wine making process
January 28, 2018
4 months ago
One great pump!
I was on the look out for a great transfer pump, after studying wine making at Surry Community College. This pump works just as well as the commercial pumps we used in the College's winery, but on a much smaller scale which is spot on for a home wine maker.
January 27, 2018
4 months ago
Makes my life much easier
I love this little pump. It’s easy to clean and does its job perfectly.
January 26, 2018
4 months ago