Reef Octopus VarioS 4S Controllable Skimmer Pump

Take your protein skimmer performance to the next level with the Reef Octopus VarioS 4S Controllable Skimmer Pump. Designed as a premium DC replacement pump for select Reef Octopus protein skimmers, the VarioS 4S delivers exceptional efficiency, ultra-quiet operation, and precise electronic control to help you dial in optimal skimming performance.

Unlike traditional AC skimmer pumps, the VarioS 4S utilizes advanced DC technology, allowing you to adjust pump speed, optimize air and water flow, reduce energy consumption, and minimize heat transfer. Whether you're replacing a worn pump or upgrading your skimmer, the VarioS 4S offers the reliability and control serious reef hobbyists expect.

Perfect For

• Reef Octopus protein skimmer replacements

• Large reef aquariums

• Fish-only saltwater systems

• Hobbyists looking for quieter skimmer performance

• Upgrading from older AC skimmer pumps

Why You'll Love It

Adjustable DC Performance

Fine tune your skimmer by selecting one of five variable speed settings to optimize foam production for your aquarium.

Quiet Operation

Premium ceramic bearings and shaft dramatically reduce vibration while extending pump life.

Energy Efficient

Consumes only the power needed for your selected speed, reducing electrical usage and limiting heat added to your aquarium.

Feed & Maintenance Modes

Quickly pause the pump for feeding or maintenance with convenient 15-minute or 60-minute feed modes.

Float Switch Compatible

The controller accepts an optional float switch for added safety, helping prevent skimmer overflows or protecting equipment during maintenance.

0–10V Controller Ready

Compatible with many external aquarium controllers for advanced automation and control.

Soft Start Technology

The pump gradually ramps up to speed after powering on, reducing stress on the motor and helping maintain stable skimmer performance.

Compatible With Select Reef Octopus Skimmers

The VarioS 4S is commonly used with larger Reef Octopus protein skimmers, including select:

• Regal Series

• Super Reef Octopus (SRO)

• Elite Series

• Other compatible Reef Octopus skimmers requiring the VarioS 4S pump

Always verify compatibility with your specific skimmer model before purchasing.

Technical Specifications

Brand: Reef Octopus

Model: VarioS 4S

Pump Type: Controllable DC Pinwheel Skimmer Pump

Maximum Water Flow: 422 GPH

Maximum Air Draw: 1,500 L/H (52 SCFH)

Power Consumption: 40 Watts

Voltage: 24V DC

Dimensions: 4.75 × 5.7 × 4 in

Output Size: 1 in Male

Input Size: 1.25 in Male

Controller Included: Yes

Variable Speed Settings: 5

Feed Modes: 15 and 60 Minutes

0–10V Compatible: Yes

Float Switch Compatible: Yes

What's Included

• Reef Octopus VarioS 4S DC Skimmer Pump

• Digital Controller

• DC Power Supply

• Venturi Assembly

• Airline Tubing

• Output Union

• User Documentation

Warranty

CoralVue backs the VarioS 4S with excellent warranty coverage:

• 5-Year Warranty on the pump body/housing

• 3-Year Warranty on the controller

• 1-Year Warranty on the power supply, impeller, rotor, bushings, and gaskets

Why Shop With Infinity and Beyond Aquatics?

At Infinity and Beyond Aquatics, we don't simply sell aquarium equipment—we help hobbyists build reliable reef systems that thrive. Whether you're replacing a failed skimmer pump or upgrading your filtration, we're here to help ensure you purchase the correct equipment for your aquarium.

Need help confirming compatibility? Contact us before ordering and we'll gladly help you find the right pump.