--- product_id: 114073576 title: "P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM" brand: "pa pulsar" price: "€ 152.19" currency: EUR in_stock: true reviews_count: 8 category: "Pa Pulsar" url: https://www.desertcart.pt/products/114073576-p-a-unloader-valve-pressure-washer-pump-pulsar-4-rv store_origin: PT region: Portugal --- # 10.5 GPM max flow rate ⅜″ NPT threaded inlet/outlet 4500 PSI max pressure P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM **Brand:** pa pulsar **Price:** € 152.19 **Availability:** ✅ In Stock ## Summary > 💥 Power up your pressure washer with precision and durability! ## Quick Answers - **What is this?** P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM by pa pulsar - **How much does it cost?** € 152.19 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/114073576-p-a-unloader-valve-pressure-washer-pump-pulsar-4-rv) ## Best For - pa pulsar enthusiasts ## Why This Product - Trusted pa pulsar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Industrial-Grade Power:** Handles up to 4500 PSI for relentless cleaning performance. - • **Precision Flow Control:** Delivers a robust 10.5 gallons per minute to blast away grime efficiently. - • **Seamless OEM Replacement:** Exact fit for Pulsar 4/Rv pumps—get back to work faster with zero downtime. - • **Durable Brass Construction:** Built to last with premium brass for corrosion resistance and longevity. - • **User-Friendly Pressure Adjustment:** Knob with locknut lets you fine-tune pressure settings on the fly. ## Overview The P.A. Unloader Valve for Pulsar 4/Rv pressure washer pumps is a high-performance replacement valve engineered in Italy. Rated for a maximum pressure of 4500 PSI and a flow rate of 10.5 GPM, it features a brass body, dual inlet/bypass ports, and a convenient pressure regulator knob with locknut for precise adjustments. Designed for continuous use with water temperatures up to 140°F and short bursts up to 195°F, this valve ensures reliable, leak-free operation and is an exact OEM replacement for General Pump PULSAR4HP models. ## Description Replacement for General Pump PULSAR4HPOptimized internal passages that guarantee reduced pressure loss. Antirotation device of the piston positioned inside the valve and obtained by an hexagonal sector of the piston itself. O-rings of the fittings positioned upstream to the thread : no risk of fittings ejected in case of overpressure. Double feed connection. Version with knob fitted with locknut for minimum working pressure adjustment.1) The valve has been designed for a continuous use with water at a temperature of 60°C (140°F). It can work for short periods with water at the maximum temperature of 90°C (195°F).2) When the valve is in bypass mode, this is the decrease of pressure that has to occur in the circuit downstream of the valve, in order that the valve can restore the working pressure in the system. The indicated figure is expressed as a percentage of the pressure setting (working pressure).3) If the valve is fed through the lower inlet port, the maximum flow rate is 20 l/min. At gun closure, a pressure increase occurs in the circuit downstream of the valve. This pressure increase is used to activate the valve and discharge all the flow in bypass. The value of the pressure increase cannot be calculated. It depends on the correct setting of the valve (see PRESSURE ADJUSTMENT/SETTING) and on the layout of the system: flow rate, working pressure, length and characteristic of the tubes, closing time of the gun. Review: Perfect OEM replacement! - Exact replacement for my commercial pressure washer. Delivered fast and had my machine back on the road making money in no time! Review: Back up to full pressure - Works Great ! Old one was leaking out of bypass line when pulling the trigger. When pulling trigger the only water that you see should be spaying out of the tip of the wand. SHE WORKS !!!!! ## Features - Max. permissible pressure: 4500 psi (310 bar), Rated pressure: 4050 psi (280 bar), Max. flow rate: 10 US gpm (40 L/min), Inlet/outlet/bypass: ⅜″ NPT F, Max. temperature: 195 °F (90 °C) - Made in Italy. Unloader valve with 2 ports each for inlet and bypass, and a knob on the pressure regulator for convenient adjustment. - Quality Replacement Unloader Valvefor All High Pressure pumpAR Comet Cat pump BE. Replacement for General Pump PULSAR4HP - Product number 60.0007.65 - 7x5 toll-free phone, email and live chat support from Canada ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07KTC5HX5 | | Best Sellers Rank | #321,829 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #4,125 in Pressure Washer Accessories | | Brand | PA PULSAR | | Brand Name | PA PULSAR | | Connector Type | Threaded | | Customer Reviews | 4.5 out of 5 stars 49 Reviews | | Exterior Finish | Brass | | Included Components | Regulator Knob | | Inlet Connection Size | 0.38 inches | | Inlet Connection Type | ⅜ inch NPT Female | | Item Highlight | Pressure regulator unloader valve for Pulsar 4/Rv power washer pumps, 4500 PSI, 10.5 GPM | | Item Weight | 1.7 pounds | | Manufacturer | PA Spa | | Material | Brass | | Material Type | Brass | | Maximum Pressure | 4500 psi | | Model Number | 60.0007.65 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 0.38 inches | | Outlet Connection Type | ⅜ inch NPT Female | | Size | ⅜ inch | | Specification Met | ISO, EN, ANSI, ASME, ASTM | | Thread Size | ⅜ inch | | Thread Type | NPT | | UPC | 748347675764 | | Unit Count | 1 Count | | Valve Type | unloader valve | ## Product Details - **Material:** Brass - **Brand:** PA PULSAR - **Inlet Connection Type:** ⅜ inch NPT Female - **Maximum Operating Pressure:** 4500 Pound per Square Inch - **Number of Ports:** 2 - **Manufacturer:** PA Spa - **UPC:** 748347675764 ## Images ![P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Image 1](https://m.media-amazon.com/images/I/31jntS83sEL.jpg) ![P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Image 2](https://m.media-amazon.com/images/I/816Q8C0bLWL.jpg) ![P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Image 3](https://m.media-amazon.com/images/I/71bW8MfjDYL.jpg) ![P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Image 4](https://m.media-amazon.com/images/I/71T2vnb9mJL.jpg) ![P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Image 5](https://m.media-amazon.com/images/I/7111eQXN0iL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect OEM replacement! *by S***R on April 22, 2025* Exact replacement for my commercial pressure washer. Delivered fast and had my machine back on the road making money in no time! ### ⭐⭐⭐⭐⭐ Back up to full pressure *by J***S on June 4, 2023* Works Great ! Old one was leaking out of bypass line when pulling the trigger. When pulling trigger the only water that you see should be spaying out of the tip of the wand. SHE WORKS !!!!! ### ⭐⭐⭐⭐⭐ PERFECT FOR MY HOT WATER PRESSURE WASHER *by D***R on August 27, 2023* Im not a paid sponser but I will share that the ease of use and installation plus durability was well worth it. 10 out of 10.... ## Frequently Bought Together - P.A. Unloader Valve Pressure Washer Pump Pulsar 4/Rv – 4500 PSI 10.5 GPM - Raincovo Pressure Washer Quick Connect 3/8 Inch, Pressure Washer Fittings, Adapter Set, Male Thread, 4 Pieces - RIDGE WASHER Pressure Washer Gauge with 3/8 Inch Quick Connect Socket and Plug, 6000 PSI --- ## 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.pt/products/114073576-p-a-unloader-valve-pressure-washer-pump-pulsar-4-rv](https://www.desertcart.pt/products/114073576-p-a-unloader-valve-pressure-washer-pump-pulsar-4-rv) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-16*