{"product_id":"commercial-mid-flow-reverse-osmosis-system-500-7000-gpd","title":"Crystal Quest Commercial Mid-Flow RO System, 500-7,000 GPD","description":"\u003cp\u003e\u003cstrong\u003eThe Crystal Quest commercial mid-flow reverse osmosis system makes 500 to 7,000 GPD of purified water on a compact, powder-coated aluminum frame.\u003c\/strong\u003e Choose the output, a brass or stainless steel pump, and whether you want a storage tank kit of 165, 220 or 500 gallons added.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose this commercial RO system\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTakes up little room\u003c\/li\u003e\n\u003cli\u003eEasy access to all components\u003c\/li\u003e\n\u003cli\u003eLight, with room to expand\u003c\/li\u003e\n\u003cli\u003eComplete, and can be tailored to your needs\u003c\/li\u003e\n\u003cli\u003eShips plumbed, wired and put together\u003c\/li\u003e\n\u003cli\u003eLow cost to run\u003c\/li\u003e\n\u003cli\u003eLow cost to keep up\u003c\/li\u003e\n\u003cli\u003eSimple to maintain and service\u003c\/li\u003e\n\u003cli\u003eFactory tested, shipped in preservative\u003c\/li\u003e\n\u003cli\u003eMeets CE requirements\u003c\/li\u003e\n\u003cli\u003eBuilt in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat comes standard on the mid-flow RO\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e aluminum with a white powder coat; lightweight and resists corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane housing:\u003c\/strong\u003e stainless steel, holding TFC membranes for high flow and maximum rejection of impurities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-pressure pump:\u003c\/strong\u003e brass rotary vane, designed to run continuously, with built-in protection if feed water is lost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e high-efficiency carbonate motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrate valve:\u003c\/strong\u003e SWP 316 stainless steel, to balance permeate against concentrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow meter:\u003c\/strong\u003e SWP, showing permeate and concentrate flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filter gauge:\u003c\/strong\u003e SWP 0-100 psi, so you know when the cartridges need changing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump pressure gauge:\u003c\/strong\u003e SWP 0-300 psi; normal readings fall between 120 and 200.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-pressure switch:\u003c\/strong\u003e stops the motor automatically so the pump never runs dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFittings:\u003c\/strong\u003e push\/pull, secured with safety locking clips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-pressure tank switch:\u003c\/strong\u003e switches the RO off once the storage tank reaches a preset pressure, with no need for costly plug-and-play parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" feed solenoid valve:\u003c\/strong\u003e automatically cuts off the incoming supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUpgrades for the mid-flow RO\u003c\/h2\u003e\n\u003cp\u003eOut of the box the system is well specified, and extra options adapt it to more specialized water treatment. Customers most often add:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless-steel rotary vane pump\u003c\/strong\u003e (also selectable under Pump): a longer life and more tolerance for corrosive antiscalants or dosing chemicals and for feed water with high TDS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrate recycle valve:\u003c\/strong\u003e recovers more water by feeding concentrate back to the inlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSWP digital dual TDS controller:\u003c\/strong\u003e one display showing permeate and feed TDS side by side, handy for keeping an eye on rejection and membrane health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSWP digital TDS controller:\u003c\/strong\u003e displays feed TDS or permeate TDS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSWP digital TDS\/conductivity controller:\u003c\/strong\u003e follows permeate TDS and conductivity as a measure of system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS150 computer controller with feed flush:\u003c\/strong\u003e adds an alarm, an input for tank level, a status LED display and a lock-out during pre-treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical pump outlet:\u003c\/strong\u003e powers a chemical feed pump straight from the RO unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlending valve:\u003c\/strong\u003e lets a little feed water into the permeate for a chosen TDS level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermeate sample port:\u003c\/strong\u003e samples each membrane individually during maintenance or fault finding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240V or 110V at 50-60 Hz:\u003c\/strong\u003e wired for your local power.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSingle wood crate\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eStorage tank kit\u003c\/h2\u003e\n\u003cp\u003eAdd a storage tank kit under Configuration to collect the purified water. Crystal Quest matches tank size to output: 220 gallons for 500 to 2,500 GPD and 500 gallons for 4,000 to 7,000 GPD, with a 165 gallon tank also available.\u003c\/p\u003e\n\u003cp\u003eMeasure your door openings before choosing a tank, so it fits through on installation day.\u003c\/p\u003e\n","brand":"Crystal Quest®","offers":[{"title":"500 GPD \/ Standalone \/ Brass Rotary","offer_id":60218837238144,"sku":"CQE-CO-02024C","price":3884.0,"currency_code":"USD","in_stock":true},{"title":"500 GPD \/ Standalone \/ Stainless Steel Rotary","offer_id":60218837270912,"sku":"CQE-CO-02373","price":3994.0,"currency_code":"USD","in_stock":true},{"title":"500 GPD \/ Add Storage Tank Kit (165 Gal) \/ Brass Rotary","offer_id":60218837303680,"sku":"CQE-CO-02374","price":5624.0,"currency_code":"USD","in_stock":true},{"title":"500 GPD \/ Add Storage Tank Kit (165 Gal) \/ Stainless Steel 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