varipumps
varipump

High performance controllable pond pumps

Varipump by Evolution Aqua is a controllable pond pump, suitable for large ponds. Output and energy consumption can be controlled at the push of a button allowing you to set the flow rate to your needs, whilst monitoring the wattage that the pump is running at. The motor is quiet and reliable, delivering consistent performance.

Available in three sizes, 10,000lph, 20,000lph and 30,000lph, Varipump is powerful enough to run the largest of ponds and filters, and in the most demanding of situations. It can be used as a submersible pond pump or it can be installed out of the pond, drawing water from the pond and through your filtration system.

Hosetail fittings are included.

VariPump

Specifications

MODELINLETOUTLETMAX FLOW (lph)MAX FLOW. (gph)MAX FLOW. (US gph)MAX. HEADMAX. WATTS
Varipump 100001½"1½"10,0002,2002,6425.5m90W
Varipump 200002"2"20,0004,4005,2836.5m190W
Varipump 300002"2"30,0006,6007,9256.5m290W

Useful Information

FAQs: provide answers to the most frequently asked questions. Start typing the product name + your questions in the search box. Or click here to access the FAQs databse.

VariPump Manual

VariPump Manual

Dealer Locator

VariPump Fault Code Troubleshooting

Fault Code Troubleshooting - PRE 2021 - MODELS

VariPump Fault Code Troubleshooting

Fault Code Troubleshooting POST 2021 MODELS

Dimensions

MODELDIMENSIONSCABLE LENGTHS
Varipump 10000267mm (L) x 122mm (W) x 162mm (H)2 metre cable from plug to control box
10 metre cable from pump to control box
Varipump 20000319mm (L) x 142mm (W) x 181mm (H)
Varipump 30000370mm (L) x 155mm (W) x 205mm (H)
variPump Dimensions

Pump Curves

variPump Curves

Frequently asked questions

Varipump FAQs
Can the Varipump be used with Nexus and EazyPod automatics?
Yes, the Varipump is ideal for using with either the Nexus or EazyPod automatic.
Does the Varipump come supplied with a plug?
No, Varipump adheres to UK pond equipment laws, and requires that it is wired into a safe, compliant, outdoor electrical system, ideally with an RCD cut-off. If you are unsure, consult a qualified electrician.
What size fuse do I need for a Varipump?
As all the Varipumps use less than 700watts so 3 amp fuse is suitable.
How long is the power cable on a Varipump?
The cable from the mains to the control box is 2metres, the cable from the control box to the pump is 10metres, this makes the total length 12metres.
Can the Varipump control box be kept outside?
The control box is weather/rain proof and can be kept outside, it MUST NOT be submerged in water.
Can the Varipump be used as a dry pump?
Yes, the Varipump is suitable to use as a dry pump on a gravity fed system, the pump is not self-priming so a non-return valve needs to be used if the water level is below the pump.
If I am using rigid pipework what fittings are required the plumb the Varipump in?
You will need two unions to plumb the Varipump to rigid pipework, the Varipump 10000 takes 1½" threaded fittings and the 20000 and 30000 both require 2". Buy the Single Union Threaded Female to Plain Female
How do I clean the Varipump?
To clean the Varipump, follow the steps below or watch our YouTube video here: Step 1: Hold pump by the handle and remove the inlet strainer basket Step 2: Using a Phillips screwdriver, undo the four screws at the base of the pump body Step 3: Remove the volute Step 4: Clean any debris and algae...
My Varipump has no flow?
Check the pump is wired correctly, the fuse has not blown and the pump his switched on at the controller. If using the pump dry, make sure it is primed Ensure any valves in the pipework are open If using a non-return valve verify the orientation is correct Clean out leaves from basket strainer...
Why is my Varipump noisy?
Verify airtight plumbing on the suction plumbing especially fittings! Clean out leaves or other debris from basket strainer (if applicable). Increase pipe size where possible. Decrease suction pipe length, reduce the number of elbows, etc Verify hydraulic compatibility: i.e. pump and pipe are ...
How long is the Varipump guarantee?
This product is guaranteed against defects in material and workmanship for two years from the date of purchase, under normal usage. The guarantee DOES NOT APPLY in case of improper use, negligence, lack of maintenance or accidental damage to the pump. If the pump fails due to a manufacturing fault within...
A fault code is displayed on the Varipump controller
The controller can display a fault code if the pump develops a problem. Download the fault code troubleshooting guide at the bottom of this page to identify the issue. If your Varipump was manufactured before 2021, the fault codes are: E01 = Pump is out of water > The pump is working without...
Are Varipumps self-priming?
No it is not self-priming. It will need to be placed below the water level.
What fittings do I need to connect the Varipump to pressure pipe?
To attach 2” pipework to the Varipump 20,000 and 30,000, you would need to use a 2” single union, threaded female to plain female, EA code: K82-76-66.You can then glue 2” pressure pipe directly into this. With the 10,000 you would need to use the 11/2” version,EA code: K82-76-55.
My Varipump has a plug, can I cut the plug off?
You may find that your Varipump has a two pin plug - cutting the plug will not void your guarantee.The plug can be cut off and wired into a safe, compliant, outdoor electrical system, with an RCD cut-off. If you are unsure, consult a qualified electrician
What fittings do I need to reduce the Varipump from 2" to 1.5" Pressure Pipe?
For a 20,000 and 30,000 Varipump you will need to connect a 2” single union, threaded female to plain female Ea code: K82-76-66. You will then need a Plain Reducing Bush-2" to 1.5" Ea Code: R81-063
Should I store my varipump in winter?
If there is a chance that the water will freeze over and restrict the flow, then you should take it out of the pond and dry it out. Store it over winter in a dry place, then reconnect the pump again in spring.
How often will I need to clean my Varipump?
The Varipump should be cleaned regularly, depending on the pond – every pond is different.  Check the pump monthly, and clean off any build up, and check that there is no debris in the impellor.  1-2 time per year, open up the pump and pull out the impellor and give everything a clean inside...
How do I calculate the head height?
To find the head height, measure the vertical distance from the surface of the water to the top of the waterfall. Remember to add 1 foot of head for every 10 feet of pipe that will connect the pump and waterfall.
How do I setup a Varipump 10,000 for Flexible Hose?
How to setup a Varipump 10,000 for Flexible Hose
How do I setup a Varipump 20,000 (or 30,000) for Flexible Hose?
How to setup a Varipump 20,000 (or 30,000) for Flexible Hose
How do I reduce a Varipump 20,000 and 30,000 from 2" to 1.5"?
How to reduce a Varipump 20,000 and 30,000 from 2" to 1.5"
How do I setup a Varipump 10,000 for Pressure Pipe using Single Unions?
How to setup a Varipump 10,000 for Pressure Pipe using Single Unions
How do I setup a Varipump 20,000 (or 30,000) for Pressure Pipe using Single Unions?
How to setup a Varipump 20,000 (or 30,000) for Pressure Pipe using Single Unions
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