--- product_id: 16715094 title: "Annovi Reverberi VRT3-310 Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, Brass" brand: "ar annovi reverberi" price: "677116Fr" currency: CDF in_stock: true category: "Ar Annovi Reverberi" url: https://congo.desertcart.com/products/16715094-annovi-reverberi-vrt3-310-unloader-black-spring-4500-psi-10 store_origin: CD region: Congo --- # 4500 PSI max pressure Adjustable pressure knob 10.5 GPM max flow rate Annovi Reverberi VRT3-310 Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, Brass **Brand:** ar annovi reverberi **Price:** 677116Fr **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your pressure washing game with precision and power! ## Quick Answers - **What is this?** Annovi Reverberi VRT3-310 Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, Brass by ar annovi reverberi - **How much does it cost?** 677116Fr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [congo.desertcart.com](https://congo.desertcart.com/products/16715094-annovi-reverberi-vrt3-310-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 - • **Durable Brass Build:** Crafted from premium brass for long-lasting reliability and corrosion resistance - • **Smart Bypass System:** Automatically diverts water flow to prevent pump damage and extend equipment life - • **Precision Adjustment:** Easily tweak pressure with the built-in adjustment knob for tailored performance - • **Smooth Flow Management:** Supports a max flow of 10.5 GPM to keep your tasks efficient - • **Powerhouse Pressure Control:** Handles up to 4500 PSI for professional-grade cleaning power ## Overview The Annovi Reverberi VRT3-310 Unloader is a robust brass valve designed to manage pressure washer flow with a max capacity of 4500 PSI and 10.5 GPM. Featuring an adjustable knob and a smart bypass system, it ensures optimal performance and pump protection, making it a must-have upgrade for serious outdoor cleaning pros. ## 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. The unloader valve may also be used for variable pressure adjustment. Specifications: Max GPM- 10.5 Max PSI- 4500 Inlet- 2x3/8" F Outlet- 3/8" Max Temp- 194° F By-Pass- 2x3/8" F Spring Color- Black Knob- Yes ## 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 - Relieve built up pressure within your pump - Made with durable brass ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008VAL4H4 | | Best Sellers Rank | #12,987 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #109 in Pressure Washer Accessories | | Brand Name | AR ANNOVI REVERBERI | | Customer Reviews | 4.5 4.5 out of 5 stars (603) | | Exterior Finish | Brass | | Global Trade Identification Number | 00043951097477, 00192216407091, 00795294931610, 00851243103207 | | Included Components | Unloader | | Inlet Connection Size | 0.38 inches | | Inlet Connection Type | Female Pipe Thread | | Item Dimensions | 8 x 3 x 4 inches | | Item Type Name | VRT3-310 Unloader | | Item Weight | 16 ounces | | Manufacturer | AR North America | | Manufacturer Part Number | VRT3-310 | | Manufacturer Warranty Description | 1 year warranty | | Material Type | Brass | | Maximum Pressure | 4500 psi | | Model Number | VRT3-310 | | Number of Items | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 0.38 inches | | Outlet Connection Type | FNPT | | Size | Black Spring | | Thread Size | 3/8 inches | | Thread Type | Female Pipe Thread | | UPC | 795294931610 043967293726 688957776942 192216103207 192216407091 851243103207 044919297724 043951097477 | | Unit Count | 1 Count | | Valve Type | Unloader | ## Product Details - **Brand:** AR ANNOVI REVERBERI - **Exterior Finish:** Brass - **Inlet Connection Size:** 0.38 inches - **Inlet Connection Type:** Female Pipe Thread - **Item dimensions L x W x H:** 8 x 3 x 4 inches - **Material:** Brass - **Maximum Operating Pressure:** 4500 psi - **Number of Ports:** 2 - **Outlet Connection Size:** 0.38 inches - **Outlet Connection Type:** FNPT ## Images ![Annovi Reverberi VRT3-310 Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, Brass - Image 1](https://m.media-amazon.com/images/I/61TKwELMIhL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Does this work for 4 gpm?** A: Yes it works with up to 10.5 GPM **Q: will this vrt3-310 werk on a 400 psi pumptec** A: I believe this would work on any 4000 psi pressure washer, not a 400 psi. **Q: My pw is 3,500 psi. any problem with using this (cheaper) black spring version rated for 4,500 psi?** A: No problem using the black spring. **Q: Will this work on a general pump tt2035?** A: Yes ## Frequently Bought Together - Annovi Reverberi VRT3-310 Unloader, Black Spring, 4500 PSI, 10.5 GPM, Adjustment Knob, Brass - Raincovo Pressure Washer Gauge, 6000 PSI, 3/8 Inch Quick Connect, Pressure Gauge for Power Washer - Raincovo Pressure Washer Quick Connect 3/8 Inch, Pressure Washer Fittings, Adapter Set, Male Thread, 4 Pieces --- ## 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://congo.desertcart.com/products/16715094-annovi-reverberi-vrt3-310-unloader-black-spring-4500-psi-10](https://congo.desertcart.com/products/16715094-annovi-reverberi-vrt3-310-unloader-black-spring-4500-psi-10) --- *Product available on Desertcart Congo* *Store origin: CD* *Last updated: 2026-10-04*