{"product_id":"vrt3-310-brass-unloader-valve-high-pressure-pump-regulator-3-8-quick-connect","title":"VRT3-310 Brass Unloader Valve – 4500 PSI High-Flow Regulator","description":"\u003ch2\u003eVRT3-310 Brass Unloader Valve – High-Flow Pressure Pump Regulator\u003c\/h2\u003e\n\u003cp\u003eTake full control of your pressure washing system with the \u003cstrong\u003eVRT3-310 Brass Unloader Valve\u003c\/strong\u003e. Engineered for demanding, heavy-duty applications, this precision-built regulator valve handles up to \u003cstrong\u003e4,500 PSI\u003c\/strong\u003e and a maximum flow rate of \u003cstrong\u003e10.5 GPM\u003c\/strong\u003e — delivering the robust performance professionals and serious DIYers require. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the VRT3-310 Unloader?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExceptional Performance:\u003c\/strong\u003e Rated for up to 4,500 PSI and 10.5 GPM, this unloader valve is built for high-demand pressure washing tasks that require consistent, powerful output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Brass Construction:\u003c\/strong\u003e Crafted from premium-grade brass for outstanding durability, corrosion resistance, and long-lasting reliable operation across a wide range of working environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Bypass Pressure Relief:\u003c\/strong\u003e A dedicated by-pass port fitting efficiently vents built-up pressure from your pump, keeping your system operating safely and at peak efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile 3\/8\" Fittings:\u003c\/strong\u003e Features dual \u003cstrong\u003e3\/8\" female inlet fittings\u003c\/strong\u003e and a \u003cstrong\u003e3\/8\" female outlet fitting\u003c\/strong\u003e, ensuring broad compatibility with most professional and consumer pressure washing systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Pressure Adjustment:\u003c\/strong\u003e The intuitive adjustment knob lets you fine-tune pressure output on the fly — dial in the exact setting for each cleaning task without tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e VRT3-310 Unloader\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Pressure:\u003c\/strong\u003e 4,500 PSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate:\u003c\/strong\u003e 10.5 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInlet:\u003c\/strong\u003e Dual 3\/8\" Female Quick Connect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutlet:\u003c\/strong\u003e 3\/8\" Female Quick Connect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18.5 × 8 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black + Gold\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × VRT3-310 Unloader Valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003eScreen color settings may cause slight variations in the color appearance of the product compared to images shown. Please allow for minor measurement tolerances of ±1–2mm.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/balashov-2500w-handheld-steam-cleaner-kitchen-car-home\"\u003eBALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car \u0026amp; Home\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What pressure washer systems is the VRT3-310 Unloader Valve compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The VRT3-310 Unloader Valve features dual 3\/8\" female inlet fittings and a 3\/8\" female outlet fitting, making it compatible with a wide range of residential and commercial pressure washing systems that use standard 3\/8\" quick-connect fittings. Always verify your pump's port sizing before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the purpose of the bypass port on this brass unloader valve?\u003c\/h4\u003e\n\u003cp\u003eA: The bypass port fitting safely redirects excess water flow back to the inlet or a reservoir when the spray gun trigger is released. This protects your pump from excessive pressure buildup, extends pump life, and keeps the system operating efficiently during use.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the pressure output on the VRT3-310 Unloader?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The VRT3-310 Unloader Valve is equipped with a convenient adjustment knob that allows you to manually fine-tune the operating pressure up to 4,500 PSI. This lets you customize the output to match different cleaning surfaces and tasks without requiring additional tools.\u003c\/p\u003e\n\u003ch4\u003eQ: Why is brass used for this unloader valve?\u003c\/h4\u003e\n\u003cp\u003eA: Brass is the industry-preferred material for high-pressure water fittings and pump components. It offers excellent corrosion resistance, handles high operating pressures with ease, and provides long-term durability even under demanding, continuous-use conditions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What pressure washer systems is the VRT3-310 Unloader Valve compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The VRT3-310 Unloader Valve features dual 3\/8\\\" female inlet fittings and a 3\/8\\\" female outlet fitting, making it compatible with a wide range of residential and commercial pressure washing systems that use standard 3\/8\\\" quick-connect fittings. 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