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Variable Speed Diaphragm Pump (0-3 GPM)
H308
In Stock
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Description

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?
MoreFlavor Store
reliable, price, and I use two of them to pump 6 gal per hour.
steve b on Feb 16, 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
Mike G on Jan 30, 2018
I needed a transfer pump that did not introduce oxygen into my fermented beer
Mike G on Jan 30, 2018
Reviews

4.3 / 5.0
21 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
14
4
1
0
2
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
Purchased
1 month 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
Purchased
1 month ago
Handy pump.
Very manageable pump, perfect to transfer wine from one barrels to another.
January 30, 2018
Purchased
1 month 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
Purchased
1 month 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
Purchased
1 month ago
Makes my life much easier
I love this little pump. It’s easy to clean and does its job perfectly.
January 26, 2018
Purchased
1 month ago
High quality
Love this pump.

One word of caution....I would not remove the screen once you take of the clear plastic cover. Its a bugger to put back on. It can be cleaned well enough with it in place.
January 13, 2018
Purchased
1 month ago
Great pump for home wine makers
This pump does in fact have an off/on reostat switch. Very nice to have the .5 to 3 gpm flow capacity to keep from overflowing the kegs and barrels during transfer. You will need extra tubing to transfer more than 6 feet. The pump self primes flawlessly. For the first racking the fine filter does clog quickly so plan to open and rinse the filter a couple of times. Hold on the to the filter housing and tubing connector firmly when opening the filter housing to avoid cracking it. This pump is light and portable. My first pump as a new wine maker but my mentor of 55 years was impressed so that is good enough for me.
September 10, 2016
Response from MoreFlavor
If you hold on to the tubing connector while unscrewing the filter cover, eventually you will break that connector. I've done it twice now. I get about two years out of a filter housing.
December 14, 2017
Tim in Albion
Response from MoreFlavor
If you hold on to the tubing connector while unscrewing the filter cover, eventually you will break that connector. I've done it twice now. I get about two years out of a filter housing.
December 22, 2017
Tim in Albion
Great pump & customer service
I have been wanting to try this pump for awhile. when I got the pump I tested it with tap water in the sink to see how it would work. It ran for about 5 seconds then it stopped. Didn't know what was wrong with it so I called more wine. The customer service lady was really nice about it. She told me that they would send a new one out. When i got the new one I did the same test and this one works like a dream. I would recommend using a 1/2" racking cane. I only have a 3/8" cane and it does restrict the flow. I'm going to use this pump with a 10" water filter. The only thing I'm going to change on it is to put a high pressure tube between the pump and filter. The out tube is thin and it balloons under pressure. The inlet tube is thicker and works great. I tried the thinner tube on the inlet and it collapsed when i ran the pump. The cap on the pre-filter was very easy to take off using the winch that is provided. No leaks after taking the off.
Overall I would recommend this pump specially with the variable speed.
December 15, 2015
Multi-functional
I like this pump a lot, I got it as a Christmas gift last year. The fact that it's self-priming makes it useful for a lot of different things. It transfers beer great, and it can transfer Starsan solution from one brewing vessel to another as long as the solution temp doesn't exceed the pump max temp. I also plug it into my temperature controller and use it with my fermentation temperature stabilization system. Awesome pump!
May 5, 2015