--- product_id: 331899690 title: "Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass" brand: "ar annovi reverberi" price: "€ 151.30" currency: EUR in_stock: true category: "Ar Annovi Reverberi" url: https://www.desertcart.gr/products/331899690-annovi-reverberi-vrt3-310ez-unloader-black-spring-4500-psi-10 store_origin: GR region: Greece --- # 10.5 GPM max flow 4500 PSI max pressure Adjustable pressure knob Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass **Brand:** ar annovi reverberi **Price:** € 151.30 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your pressure washer game with precision and power! ## Quick Answers - **What is this?** Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass by ar annovi reverberi - **How much does it cost?** € 151.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/331899690-annovi-reverberi-vrt3-310ez-unloader-black-spring-4500-psi-10) ## 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 - • **EZ Start Valve:** Built-in easy start valve reduces pump strain and extends lifespan - • **Durable Brass Build:** Premium brass construction ensures long-lasting reliability - • **Smooth Flow Mastery:** Delivers 10.5 GPM to keep your tasks efficient and fast - • **Precision Pressure Tuning:** Adjustable knob lets you dial in exact pressure for any job - • **Powerhouse Pressure Control:** Handles up to 4500 PSI for heavy-duty cleaning power ## Overview The Annovi Reverberi VRT3-310EZ Unloader is a robust brass valve designed to regulate pressure up to 4500 PSI and flow rates of 10.5 GPM. Featuring an adjustable knob and an easy start valve, it prolongs pump life by relieving built-up pressure, making it an essential upgrade for professional-grade pressure washers. ## Description Extend the life of your pump by using an Annovi Reverberi unloader to ease added built up pressure within your pump. Manufactured from strong and reliable brass, this unloader has what it takes for high performance cleaning. This unloader attaches to your pump with ease featuring an inlet of 2 x 3/8" F and an outlet of 3/8" F. Built with an adjustable knob placed over top of the spring, this unloader is easy to control and monitor your internal pressure within your pump. This unloader also features a built in easy start valve. Prolong the life of your pump by adding an Annovi Reverberi unloader. ## Features - Performance: 4,500 max PSI, 10.5 max GPM - Inlet: 2 x 3/8" F - Outlet Fitting: 3/8" F - By-Pass Port Fitting: 2 x 3/8" F - Features an Easy Start Valve - Relieve built up pressure within your pump - Made with durable brass - Spring Color: Black ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07GB6LD7Q | | Best Sellers Rank | 338,853 in Garden ( See Top 100 in Garden ) 4,041 in Pressure Washer Accessories | | Brand | AR ANNOVI REVERBERI | | Connector Type | Threaded | | Customer Reviews | 4.6 4.6 out of 5 stars (69) | | Exterior Finish | Brass | | Global Trade Identification Number | 00192216400023 | | Included Components | Unloader | | Inlet Connection Size | 0.38 Inches | | Inlet Connection Type | 3/8 inch Female | | Item Dimensions | 20.3 x 15.2 x 30.5 centimetres | | Item Type Name | VRT3-310EZ Unloader | | Item Weight | 1 Pounds | | Manufacturer | Annovi Reverberi | | Material | Brass | | Maximum Pressure | 4500 Pound per Square Inch | | Model Number | VRT3-310EZ | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 4 | | Outlet Connection Size | 0.38 Inches | | Outlet Connection Type | NPT | | Part Number | VRT3-310EZ | | Size | Black, 4500 PSI, Knob, EZ Start | | Specification Met | ASME B16.34 | | Thread Size | 3/8 inches | | Thread Type | NPT | | UPC | 192216400023 709257511931 660078736449 709257513232 | | Unit Count | 1.0 count | | Valve Type | Unloader Valve | ## Product Details - **Brand:** AR ANNOVI REVERBERI - **Exterior finish:** Brass - **Inlet connection size:** 0.38 Inches - **Inlet connection type:** 3/8 inch Female - **Item dimensions L x W x H:** 20.3 x 15.2 x 30.5 centimetres - **Material:** Brass - **Maximum operating pressure:** 4500 Pound per Square Inch - **Number of ports:** 4 - **Outlet connection size:** 0.38 Inches - **Outlet connection type:** NPT ## Images ![Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass - Image 1](https://m.media-amazon.com/images/I/61y7G9S2FwL.jpg) ![Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass - Image 2](https://m.media-amazon.com/images/I/31tis3g1-2L.jpg) ![Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass - Image 3](https://m.media-amazon.com/images/I/21d3DSmgv1L.jpg) ![Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass - Image 4](https://m.media-amazon.com/images/I/31iq+b2H4OL.jpg) ![Annovi Reverberi VRT3-310EZ Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, EZ Start, Brass - Image 5](https://m.media-amazon.com/images/I/31iKs4-P2NL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: what does unloader come set at by default?** A: They are not set coming from the factory. I would recommend you to get a gauge and adjust the unloader once you have installed it. We will be glad to help you out with that. **Q: What temperature is the unloader valve tolerant of?** A: Max Temp 194° F **Q: I'm looking for a white spring unloader, can I just swap out the the blue spring white one?** A: There is no White spring used in the VRT series so we could not speculate if this spring would work with the VRT . **Q: Will this work on a tsf2021 8.5 gpm 3600psi pump** A: The VRT3-250 Unloader can handle up to 3,650 max PSI, 10.5 max GPM and 3/8"F outlet ## Frequently Bought Together - AR ANNOVI REVERBERI VRT3-250EZ Pressure Washer Unloader, Blue, 3650 PSI, Knob, EZ Start, Brass - AR Blue Clean Aqua Sweeper – Water Cleaner - AR Blue Clean Rotary Brush for Pressure Washers --- ## 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.gr/products/331899690-annovi-reverberi-vrt3-310ez-unloader-black-spring-4500-psi-10](https://www.desertcart.gr/products/331899690-annovi-reverberi-vrt3-310ez-unloader-black-spring-4500-psi-10) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-23*