{"product_id":"comet-vrt-3-pressure-washer-unloader-4500-psi-10-5-gpm-3-8-fnpt-brass-body-with-black-knob","title":"Comet VRT-3 Pressure Washer Unloader — 4500 PSI, 10.5 GPM, 3\/8\" FNPT, Brass Body with Black Knob","description":"\u003cp\u003e\u003cstrong\u003eThe Comet VRT-3 Unloader is a brass pressure-washer pressure-relief valve that protects pumps and lets you fine-tune up to 4,500 PSI and 10.5 GPM with simple 3\/8\" FNPT plumbing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for heavy-duty cleaning systems, the VRT-3 Series unloader reduces strain on your pump by diverting flow when the spray gun is closed and providing fast, reliable pressure adjustments via its user-friendly knob. It fits common pump brands and installs quickly using standard 3\/8\" FNPT inlet, outlet and by-pass ports. Rated to handle hot water up to 194° F, the unit combines durable brass construction with a compact design for workshop, fleet, or rental use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the VRT-3 protect my pressure-washing pump?\u003c\/h3\u003e\n\u003cp\u003eThe unloader prevents pressure spikes and backflow when the trigger gun is shut, routing flow through a by-pass so the pump runs without building damaging pressure. That reduces cycling and heat buildup in the pump, extending service life without complicated plumbing changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBy-pass diverts water when trigger is closed via 3\/8\" port\u003c\/li\u003e\n  \u003cli\u003eResponds to both pressure increases and flow changes\u003c\/li\u003e\n  \u003cli\u003eBrass body resists corrosion for longevity\u003c\/li\u003e\n  \u003cli\u003eBlack knob allows quick pressure dialing to match system needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this unloader work with my existing pressure-washer pump?\u003c\/h3\u003e\n\u003cp\u003eThe VRT-3 is compatible with many common pumps, including Comet, AR North America, General and other branded units that use 3\/8\" FNPT connections. Confirm your system’s maximum pressure and flow are at or below the VRT-3 rating before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8\" FNPT inlet, outlet, and by-pass for straightforward plumbing\u003c\/li\u003e\n  \u003cli\u003eHandles up to 4,500 PSI and 10.5 GPM—check pump specs to match\u003c\/li\u003e\n  \u003cli\u003eWorks on both cold- and hot-water systems (max 194° F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I adjust pressure and what tools do I need?\u003c\/h3\u003e\n\u003cp\u003eAdjustments are quick: use the colored knob to increase or decrease system pressure without special tools. The black spring and knob assembly give tactile feedback so you can fine-tune output to match nozzles, cleaning tasks, or surface types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn knob clockwise to raise pressure, counterclockwise to lower it\u003c\/li\u003e\n  \u003cli\u003eNo disassembly required for most adjustments or routine checks\u003c\/li\u003e\n  \u003cli\u003eStandard wrenches are all that’s needed for plumbing during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the installation and temperature limits?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with the 3\/8\" FNPT ports—thread into your plumbing or adapter fittings using standard sealant or tape. The unloader is rated to operate safely up to 194° F, making it suitable for many hot-water cleaning applications when paired with compatible pumps and hoses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8\" FNPT threads for inlet, outlet, and by-pass—easy to fit\u003c\/li\u003e\n  \u003cli\u003eMaximum operating temperature: 194° F (ensure pump and hoses match)\u003c\/li\u003e\n  \u003cli\u003eBrass construction for heat resistance and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Comet VRT-3 Unloader is ideal for professionals, rental shops, and serious DIYers who need a compact, durable pressure-relief solution that simplifies pressure control and protects their investment. Choose this unloader if you run systems up to 4,500 PSI and 10.5 GPM, need hot-water compatibility to 194° F, and want easy 3\/8\" FNPT hookups for fast installation and service.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What maximum pressure and flow does the VRT-3 support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports up to 4,500 PSI and 10.5 GPM; ensure your pump does not exceed these ratings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What plumbing connections does the unloader use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The unit uses 3\/8\" FNPT inlet, outlet, and by-pass ports for straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Comet","offers":[{"title":"Default Title","offer_id":56819451101524,"sku":"B0B2SJPP5V","price":74.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/comet-vrt-3-front-view.jpg?v=1786962911","url":"https:\/\/gardenluxe.co.uk\/products\/comet-vrt-3-pressure-washer-unloader-4500-psi-10-5-gpm-3-8-fnpt-brass-body-with-black-knob","provider":"Gardenluxe Uk","version":"1.0","type":"link"}