---
product_id: 2335180
title: "Replacement Metering Pump for Osmolator and Nano Osmolator 5000.020"
brand: "tunze"
price: "₩116632"
currency: KRW
in_stock: true
reviews_count: 13
category: "Tunze"
url: https://www.desertcart.kr/products/2335180-replacement-metering-pump-for-osmolator-and-nano-osmolator-5000-020
store_origin: KR
region: South Korea
---

# Low voltage operation Max flow 0.23 GPM Compact 2.5x2.5x4 in size Replacement Metering Pump for Osmolator and Nano Osmolator 5000.020

**Brand:** tunze
**Price:** ₩116632
**Availability:** ✅ In Stock

## Summary

> 💧 Upgrade your aquatic system with precision and power!

## Quick Answers

- **What is this?** Replacement Metering Pump for Osmolator and Nano Osmolator 5000.020 by tunze
- **How much does it cost?** ₩116632 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/2335180-replacement-metering-pump-for-osmolator-and-nano-osmolator-5000-020)

## Best For

- tunze enthusiasts

## Why This Product

- Trusted tunze brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Energy Smart:** Low voltage power ensures efficient, safe operation around aquatic environments.
- • **Durable Build:** Crafted with quality plastic and backed by German engineering for long-lasting use.
- • **Space-Savvy Design:** Compact footprint fits discreetly in any setup without clutter.
- • **Reliable Performance:** Delivers up to 0.23 gallons per minute with a lifting height of 3.6 meters—precision you can trust.
- • **Effortless Compatibility:** Seamlessly replaces Osmolator & Nano Osmolator pumps for instant upgrade.

## Overview

The Tunze Replacement Metering Pump 5000.020 is a compact, low-voltage submersible pump designed to replace Osmolator and Nano Osmolator models. It delivers a maximum flow rate of 0.23 gallons per minute and can lift water up to 3.6 meters, making it ideal for precise aquarium water management. Engineered in Germany, this durable pump ensures reliable performance and easy integration into existing setups.

## Description

For outlet 1077, consisting of bulkhead for 1 3/4 in. glass borehole in the bottom, \, and upright stand pipe 1 m (39.3 in.) by 40 mm in diameter. A stainless steel clamp with outlet hose 1 m (39.3 in.) by 40 mm in diameter is supplied. Delivery without mounting instructions; to be mounted by experienced expert only.

Review: Lifesaver!! - This product literatally saved me $200. I have the ATO, and it randomly stopped working a few weeks ago. I reached out to several aquatic groups to help determine why, and based of sectary of the same answers, decided to give this a try. I'm so glad I did. The replaced part was easy to assemble, and it worked right away. Thank you!!!
Review: Works for brs ato - Works great for brs ato

## Features

- Low Voltage
- Replaces Osmolator and Nano Osmolator Pump
- Compact Size

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000N0Z9YE |
| ASIN  | B000N0Z9YE |
| Best Sellers Rank | #59,980 in Pet Supplies ( See Top 100 in Pet Supplies ) #874 in Aquarium Filter Accessories |
| Brand | Tunze |
| Brand Name | Tunze |
| Color | Black |
| Country of Origin | Germany |
| Customer Reviews | 4.4 4.4 out of 5 stars (674) |
| Date First Available | August 19, 2008 |
| Date First Available  | August 19, 2008 |
| Department | all ages |
| Department  | all ages |
| Global Trade Identification Number | 04025167903366 |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions LxWxH | 2.5 x 2.5 x 4 inches |
| Item Package Dimensions L x W x H | 10.39 x 5.91 x 1.77 inches |
| Item Weight | 6.4 ounces |
| Item model number | 5000.020 |
| Item model number  | 5000.020 |
| Manufacturer | Tunze |
| Manufacturer  | Tunze |
| Material | Plastic |
| Maximum Flow Rate | 0.23 Gallons Per Minute |
| Maximum Lifting Height | 3.6 Meters |
| Number of Items | 1 |
| Power Source | DC/ Osmolator or Nano Osmolator Connector |
| Product Dimensions | 2.5"L x 2.5"W x 4"H |
| Product Dimensions  | 2.5 x 2.5 x 4 inches; 6.4 ounces |
| Style | Submersible |
| Target Audience Keyword | fish |
| UPC | 402516790336 |

## Product Details

- **Brand:** Tunze
- **Color:** Black
- **Global Trade Identification Number:** 04025167903366
- **Item Weight:** 6.4 ounces
- **Material:** Plastic
- **Maximum Flow Rate:** 0.23 Gallons Per Minute
- **Maximum Lifting Height:** 3.6 Meters
- **Power Source:** DC/ Osmolator or Nano Osmolator Connector
- **Product Dimensions:** 2.5"L x 2.5"W x 4"H
- **Style:** Submersible

## Images

![Replacement Metering Pump for Osmolator and Nano Osmolator 5000.020 - Image 1](https://m.media-amazon.com/images/I/61mRv8CWZ3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Lifesaver!!
*by L***Z on March 10, 2025*

This product literatally saved me $200. I have the ATO, and it randomly stopped working a few weeks ago. I reached out to several aquatic groups to help determine why, and based of sectary of the same answers, decided to give this a try. I'm so glad I did. The replaced part was easy to assemble, and it worked right away. Thank you!!!

### ⭐⭐⭐⭐⭐ Works for brs ato
*by R***. on November 16, 2025*

Works great for brs ato

### ⭐⭐⭐⭐⭐ Pumps great
*by J***H on January 24, 2026*

My original pump died and I couldn't find a replacement anywhere else. I was a little worried about getting a replacement from Amazon but this was perfect. Exact replacement for my original pump at a decent price.

## Frequently Bought Together

- Tunze Replacement Metering Pump for Osmolator and Nano Osmolator 5000.020
- Tunze USA 5000.390 Suitable for All Osmotic Regulators for Use with Osmolator and Nano Osmolator, Black

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**Shop now:** [https://www.desertcart.kr/products/2335180-replacement-metering-pump-for-osmolator-and-nano-osmolator-5000-020](https://www.desertcart.kr/products/2335180-replacement-metering-pump-for-osmolator-and-nano-osmolator-5000-020)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-21*