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Diaphragm Pump
Diaphragm Pump

Diaphragm Pump

$ 49.99


This little diaphragm pump is an excellent choice for automatic top-off duty. Unlike other diaphragm pumps available, this little powerhouse can push water to 30psi. It can also safely run dry, unlike conventional powerheads. It is quiet and runs on 24v DC power. Flow rate is approximately 400mL/min, but note that it is not rated for continuous duty nor salt water applications. This means for intermittent use (as in ATO usage) it is great, but we do not recommend it for use as a calcium reactor feed pump, for example.  It can be used in conjunction with a kalk stirrer, but only to push fresh water into the stirrer.  We do not recommend pulling kalkwasser through the pump, as the high pH may shorten the life of the rubber diaphragms.

Diaphragm pump kit includes:

  • Pump in wall-mountable box
  • 24v DC Power Supply or 5' cable with Neptune compatible 24v plug 
  • Tubing, 10ft
  • Check valve to prevent back siphoning
  • Micro ball valve to adjust flow rate (max 400mL/min)
  • Siphon break tee (see instruction manual for details when this is needed)

Technical Specs:
Max flow rate:  400mL/min @ 0ft head pressure
Min flow rate: Fast drip
Max head pressure: 30psi 
Run dry: Yes
Self priming: Yes
Power: 24v DC, 4w 
Warranty: 1 year

Click here for instruction manual

Customer Reviews

4.9 Based on 55 Reviews
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Manfred L.
Canada Canada

Powerful small pump

I am using this pump to pump the R/O water from basement to ground floor, so noise is not a issue

Ashfaque K.
United States United States

Loving it. I have installed

Loving it. I have installed this pump in my first floor with a rodi line connecting to my rodi water in basement 25ft across and 10ft below. It pulls the water within any issue and keep my ATO container topped up all the time. It’s so silent that when it’s on I have to touch it to feel it lol..

Mark K.
United States United States

ATO pump

Works great. My ATO reservoir is a long distance from my display, but this pump has no problem making the distance.

Robert C.
United States

Works great

I have two of these purchased within a fee months ago. They work well. The one purchased last was different than the 1st. The cord isnt attached very well in the second one but works just fine. This pump pushes water up from a basement for an ATO very easily

United States

Great products and service

The pump works great with the kalkwasser reactor that is sold by Avast, just make sure you use the check valve provided.