machines/howtos/low-cost-washing-machine-with-water-filter-system/index.mdx
2025-03-29 07:50:17 +01:00

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---
title: Low cost Washing Machine with water filter system
slug: low-cost-washing-machine-with-water-filter-system
description: This guide instructs on converting a laundry machine for plastic washing without water waste. It covers modifying the electrical system and adding a water tank with a custom 3D-printed sand filter.
tags: ["untagged","washing"]
category: Machines
difficulty: Medium
time: < 1 week
location: Malaga, Spain
---
import { Image } from 'astro:assets'
# Low cost Washing Machine with water filter system
<Image src={import('./montaje_copy-18890866104.jpg')} alt="Low cost Washing Machine with water filter system" />
This guide instructs on converting a laundry machine for plastic washing without water waste. It covers modifying the electrical system and adding a water tank with a custom 3D-printed sand filter.
User Location: Malaga, Spain
## Steps
### Step 1: Check the video to see if the solution fits you!
I've developed a straightforward, efficient, and cost-effective laundry machine design based on gravity, allowing water to flow through the system using a 40W pump, commonly found in laundry machines. This design is ideal for small workspaces processing 44-110 lbs (20-50 kg) per day with short washing programs. For higher capacities, consider building multiple machines.
**Video:** [Watch here](https://youtube.com/shorts/2LW2zV2ksLE?feature=share)
**Download Contents:**
1. Comprehensive guide and Bill of Materials (PDF)
2. STL files for the filter and support
The folder will be updated with future changes.
<Image src={import('./Marea_-_Copy_of_Sin_bomba_adicional-188ae6e4263.jpg')} alt="Marea - Copy of Sin bomba adicional-188ae6e4263.jpg" />
<Image src={import('./IMG_3374-188908d3617.jpeg')} alt="IMG_3374-188908d3617.jpeg" />
<Image src={import('./IMG_3485-188908d4b90.jpeg')} alt="IMG_3485-188908d4b90.jpeg" />
### Step 2: Dissambly, clean the machine
Ensure the machine is drained of water before beginning.
1. Remove the top and back panels.
2. Disassemble the water input system and cleaning compartment.
3. Clean the pump and drum.
<Image src={import('./step1-2-188900377b8.jpg')} alt="step1-2-188900377b8.jpg" />
<Image src={import('./step1-1-188900382f3.jpg')} alt="step1-1-188900382f3.jpg" />
### Step 3: Making holes and assembly of the hack
I'm using a 55-liter (about 14.5-gallon) container from Ikea costing approximately €10 (about $11). Attempts with cheaper containers resulted in breakage. It is crucial to select durable plastic to withstand the pressure from the water and the stress of hole creation.
For assembly, two 1-inch pipe bushings are required: one for the water inlet and another for the outlet.
1. Center a hole with the drum inlet.
2. Drill a hole in the container.
3. Create a hole for water input.
Following the hole creation, proceed with wiring. Welding skills are necessary for reliable results. Use security connectors and heat-shrink covers to prevent water damage or electrocution.
I installed the contactor on the back wall using a fastening clip.
<Image src={import('./holes-18890315113.jpg')} alt="holes-18890315113.jpg" />
<Image src={import('./step2-4-18890040f5c.jpg')} alt="step2-4-18890040f5c.jpg" />
<Image src={import('./step2-2-18890041c40.jpg')} alt="step2-2-18890041c40.jpg" />
### Step 4: Make the electric set up
Before assembling, ensure the valve is correctly positioned and functioning properly. Apply Teflon tape to the valve and pipe adapter connections.
<Image src={import('./step2-3-18890045a98.jpg')} alt="step2-3-18890045a98.jpg" />
<Image src={import('./diagram-188ae76e58f.png')} alt="diagram-188ae76e58f.png" />
### Step 5: Build and assembly the filter and filter support
Print the necessary files. Insert nets between components. Drill holes for filter support, attach the filter, and connect it to the water system. Ready for testing. Fill the filter with sand until it covers 1/4 of the main body.
<Image src={import('./montaje-filtro-18890256c7e.jpg')} alt="montaje-filtro-18890256c7e.jpg" />
<Image src={import('./filter-support-1889026bd6f.jpg')} alt="filter-support-1889026bd6f.jpg" />
<Image src={import('./IMG_2365-1889035a4cf.jpeg')} alt="IMG_2365-1889035a4cf.jpeg" />
### Step 6: Attach the auxiliar container and test
### Instructions
1. Fill the main container and ensure the auxiliary container is attached.
2. Install an additional manual valve to prevent misdirection of the water.
3. Test the system and repair any leaks.
<Image src={import('./fregona-188903634d6.jpg')} alt="fregona-188903634d6.jpg" />
<Image src={import('./PICT0003-188908ce773.jpg')} alt="PICT0003-188908ce773.jpg" />