---
product_id: 318698881
title: "AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass"
brand: "ar annovi reverberi"
price: "€ 263.60"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet
store_origin: FI
region: Finland
---

# Max PSI 3650 - Power Surge Brass By-Pass Valve - Durable Core Adjustable Injector 2.0 - Precision Flow AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass

**Brand:** ar annovi reverberi
**Price:** € 263.60
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your clean game with precision and durability!

## Quick Answers

- **What is this?** AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass by ar annovi reverberi
- **How much does it cost?** € 263.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet)

## Best For

- ar annovi reverberi enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Compact:** Just 453g and compact dimensions for easy installation and maintenance.
- • **Customizable Flow Rate:** Adjustable injector size 2.0 lets you fine-tune water delivery for any task.
- • **Seamless Compatibility:** 1/2" female inlet and 3/8" male outlet fit most standard pressure washer setups.
- • **Robust Brass Construction:** Durable brass by-pass valve ensures long-lasting reliability under heavy use.
- • **Unmatched Pressure Control:** Handles up to 3650 PSI for professional-grade cleaning power.

## Overview

The AR Annovi Reverberi AR20400 Pressure Washer Unloader is a high-performance brass valve designed to optimize pressure washer efficiency. With a max PSI of 3650 and adjustable injector size 2.0, it offers precise water flow control. Its 1/2" female inlet and 3/8" male outlet ensure broad compatibility, while the durable brass construction guarantees long-term reliability for demanding cleaning tasks.

## Description

The unloader valve diverts water flow into bypass when the trigger gun valve is closed. Unloaders may be designed to respond to either an increase in pressure or a change in flow. Adjustable injector (Size 2.0) Max GPM: 5.5 Max PSI: 3650 Inlet: 1/2" F Outlet: 3/8" M Pump Series: RR, XM, RK By-Pass: Brass

## Features

- Max PSI 3650
- Outlet: 3/8" M
- Inlet: 1/2" F
- Adjustable Injector, Size 2.0
- Max GPM: 5.5

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 20.32 x 15.24 x 30.48 cm; 453.59 g |
| Part number | AR20400 |
| Material type | Brass |
| Capacity | 1 g |
| Power source type | Hydraulic Powered |
| Manufacturer | Annovi Reverberi |
| Item model number | AR20400 |
| ASIN | B000KF5XPW |

## Product Details

- **Material:** Brass
- **Brand:** AR ANNOVI REVERBERI
- **Item dimensions L x W x H:** 20.3 x 15.2 x 30.5 centimetres
- **Exterior finish:** Brass
- **Inlet connection size:** 0.5 inches
- **Inlet connection type:** Female
- **Outlet connection type:** M
- **Maximum operating pressure:** 3650 Pound per Square Inch
- **Number of ports:** 2
- **Outlet connection size:** 0.5 inches

## Images

![AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Image 1](https://m.media-amazon.com/images/I/71yr+ZOZHmL.jpg)
![AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Image 2](https://m.media-amazon.com/images/I/61kYl8ZE9IL.jpg)
![AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Image 3](https://m.media-amazon.com/images/I/61I4oG+-hxL.jpg)
![AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Image 4](https://m.media-amazon.com/images/I/710b0AykfXL.jpg)
![AR Annovi Reverberi AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Image 5](https://m.media-amazon.com/images/I/61yLyRlcwfL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Frequently Bought Together

- AR ANNOVI REVERBERI AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass
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**Shop now:** [https://www.desertcart.fi/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet](https://www.desertcart.fi/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-08*