--- 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: "46.43 DT" currency: TND in_stock: false reviews_count: 5 url: https://www.desertcart.tn/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet store_origin: TN region: Tunisia --- # 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:** 46.43 DT **Availability:** ❌ Out of 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?** 46.43 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 Review: Product was sent missing pieces vital to make it run Review: Perfect fit and worked well! ## 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 | |---------------|-------| | ASIN | B000KF5XPW | | Best Sellers Rank | 520,515 in Garden ( See Top 100 in Garden ) 99 in Pressure Washer Pumps | | Brand | AR ANNOVI REVERBERI | | Customer Reviews | 3.9 3.9 out of 5 stars (24) | | Exterior Finish | Brass | | Global Trade Identification Number | 00192216204003 | | Inlet Connection Size | 0.5 Inches | | Inlet Connection Type | Female | | Item Dimensions | 20.3 x 15.2 x 30.5 centimetres | | Item Type Name | Pressure Washer Unloader | | Item Weight | 1 Pounds | | Manufacturer | Annovi Reverberi | | Material | Brass | | Maximum Pressure | 3650 Pound per Square Inch | | Model Number | AR20400 | | Number of Ports | 2 | | Outlet Connection Size | 0.5 Inches | | Outlet Connection Type | M | | Part Number | AR20400 | | Size | 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector | | Specification Met | CE, RoHS | | UPC | 688957732160 688957732139 044914392868 688957732146 688957732153 192216204003 | | Unit Count | 1.0 count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** AR ANNOVI REVERBERI - **Exterior finish:** Brass - **Inlet connection size:** 0.5 Inches - **Inlet connection type:** Female - **Item dimensions L x W x H:** 20.3 x 15.2 x 30.5 centimetres - **Material:** Brass - **Maximum operating pressure:** 3650 Pound per Square Inch - **Number of ports:** 2 - **Outlet connection size:** 0.5 Inches - **Outlet connection type:** M ## 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** options. ## Customer Reviews ### ⭐ Review *by B***T on 18 June 2021* Product was sent missing pieces vital to make it run ### ⭐⭐⭐⭐⭐ Review *by R***N on 1 October 2023* Perfect fit and worked well! ### ⭐⭐⭐⭐ Review *by R***C on 4 April 2011* The unloader did not come with Quick disconnect fittings as expected But it is one of the nicer ones found on-line ## Frequently Bought Together - AR ANNOVI REVERBERI AR20400 Pressure Washer Unloader, 1/2 Inlet F, 3/8 Outlet M- Adjust. Injector, Brass - Raincovo Pressure Washer Gauge, 6000 PSI, 3/8 Inch Quick Connect, Pressure Gauge for Power Washer - Ultimate Washer Replacement for Annovi Reverberi Pump Check Valves KIT 1828, 18mm, New Valves + O-Rings --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet](https://www.desertcart.tn/products/318698881-ar-annovi-reverberi-ar20400-pressure-washer-unloader-1-2-inlet) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-13*